{"id":1494,"date":"2021-12-06T22:04:48","date_gmt":"2021-12-06T21:04:48","guid":{"rendered":"http:\/\/valderdre.fr\/wrdp\/?page_id=1494"},"modified":"2021-12-28T22:12:29","modified_gmt":"2021-12-28T21:12:29","slug":"guerledan-assec","status":"publish","type":"page","link":"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/","title":{"rendered":"Guerl\u00e9dan &#8211; ASSEC (2015)"},"content":{"rendered":"<p><em><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1425 alignright\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-1024x768.jpg 1024w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-768x576.jpg 768w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-1536x1152.jpg 1536w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/100_1595.jpg 1656w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><span style=\"color: #3366ff;\">Le lac de Guerledan<\/span><\/strong><\/em><\/p>\n<p style=\"text-align: justify;\">Le\u00a0<b>lac de Guerl\u00e9dan<\/b>\u00a0est un\u00a0lac artificiel\u00a0fran\u00e7ais\u00a0situ\u00e9 d&rsquo;une part sur les communes de\u00a0Saint-Aignan\u00a0et\u00a0Sainte-Brigitte\u00a0dans le\u00a0Morbihan\u00a0et, d&rsquo;autre part, celles de\u00a0M\u00fbr-de-Bretagne,\u00a0Caurel\u00a0et\u00a0Saint-Gelven\u00a0dans les\u00a0C\u00f4tes-d&rsquo;Armor. Il mat\u00e9rialise, en partie, la limite entre le Morbihan et les C\u00f4tes-d&rsquo;Armor.<\/p>\n<p>D&rsquo;une superficie de\u00a0<span title=\"3\u00a0040\u00a0000 m\u00b2 ou 3,04 km\u00b2\">304<\/span>\u00a0<abbr class=\"abbr\" title=\"hectare\">ha<\/abbr>, long de 12\u00a0<abbr class=\"abbr\" title=\"kilom\u00e8tre\">km<\/abbr>\u00a0et profond de 45\u00a0<abbr class=\"abbr\" title=\"m\u00e8tre\">m<\/abbr>\u00a0au pied du barrage, le lac de Guerl\u00e9dan est le plus grand lac artificiel de\u00a0Bretagne.<\/p>\n<p><span style=\"color: #3366ff;\"><em><strong>Etymologie<\/strong><\/em><\/span><br \/>Son nom vient du hameau de Guerl\u00e9dan (du breton\u00a0vannetais\u00a0<i>Gouer ledan<\/i>, le \u00ab\u00a0ruisselet large\u00a0\u00bb) baptis\u00e9 en r\u00e9f\u00e9rence \u00e0 la rivi\u00e8re le\u00a0Blavet\u00a0qui s&rsquo;\u00e9largit \u00e0 cet endroit<sup id=\"cite_ref-1\" class=\"reference\"><\/sup>.<\/p>\n<p><strong><em><span style=\"color: #3366ff;\">Histoire<\/span><br \/><\/em><\/strong>Ce lac a \u00e9t\u00e9 cr\u00e9\u00e9 pour alimenter le barrage de Guerl\u00e9dan. Le chantier dura sept ans de 1923 \u00e0 1930 et dut faire face \u00e0 de nombreuses difficult\u00e9s d&rsquo;ordre g\u00e9ologique (creusement des fondations pour \u00e9liminer une poche d&rsquo;argile en 1924), technique (barrage-poids de 208 m\u00e8tres de long) et financier. Faute d&rsquo;argent, le chantier fut m\u00eame arr\u00eat\u00e9 de l&rsquo;automne 1925 au printemps 1927. L&rsquo;usine \u00e9lectrique associ\u00e9e au barrage est d&rsquo;une puissance de 15\u00a0<abbr class=\"abbr\" title=\"m\u00e9gawatt\">MW<\/abbr>, et est exploit\u00e9e depuis 1946 par\u00a0EDF.<\/p>\n<p><strong><span style=\"color: #3366ff;\">Submerg\u00e9e en 1930<\/span><br \/><\/strong>Pas de village enseveli. On imagine les eaux inonder ces 304 hectares. Recouvrir doucement ce qui vivait l\u00e0. \u00abDisons-le tout de suite, s&rsquo;il y a bien une dizaine de maisons \u00e9parpill\u00e9es, il n&rsquo;y a pas de village enseveli.\u00bb<\/p>\n<p>L&rsquo;histoire de Guerl\u00e9dan a commenc\u00e9 il y a plus de 400 000 millions d&rsquo;ann\u00e9es avec une surprise g\u00e9ologique. Sur la rive Nord, c\u00f4t\u00e9 C\u00f4tes-d&rsquo;Armor, les falaises s&rsquo;\u00e9rigent noires, en schiste ardoisier. Ici, d\u00e8s le XIIe si\u00e8cle, les moines cisterciens de l&rsquo;abbaye de Bon-Repos commenc\u00e8rent \u00e0 exploiter l&rsquo;ardoise, \u00ab l&rsquo;or bleu de Guerl\u00e9dan \u00bb. Une activit\u00e9 qui s&rsquo;est poursuivie jusqu&rsquo;au XIXe si\u00e8cle. \u00ab On retrouve encore des puits, des trous b\u00e9ants pouvant atteindre 70 m de profondeur. \u00bb<\/p>\n<div class=\"thumb tright\">\n<div class=\"thumbinner\">\n<div class=\"thumbcaption\">\n<div class=\"magnify\">La cr\u00e9ation du barrage a eu pour effet de noyer la vall\u00e9e du Blavet sur plus de 8 kilom\u00e8tres, entra\u00eenant l&rsquo;immersion de neuf carri\u00e8res d\u2019ardoises (\u00e9conomie de la r\u00e9gion depuis le\u00a0<abbr class=\"abbr\" title=\"16\u1d49 si\u00e8cle\"><span class=\"romain\">xvi<\/span><sup>e<\/sup><\/abbr>\u00a0si\u00e8cle), de maisons d&rsquo;ardoisiers et de fermes.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>Elle a \u00e9galement supprim\u00e9 la continuit\u00e9 du trafic fluvial sur le\u00a0canal de Nantes \u00e0 Brest, en coupant ce dernier qui empruntait \u00e0 cet endroit le cours canalis\u00e9 du Blavet. Seize maisons \u00e9clusi\u00e8res et 17\u00a0\u00e9cluses du\u00a0canal de Nantes \u00e0 Brest ont ainsi \u00e9t\u00e9 englouties:<\/p>\n<table class=\" aligncenter\" style=\"height: 585px; width: 72.8949%; border-collapse: collapse; border-style: solid; border-color: #696666; background-color: #f0f0f0;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 24px; background-color: #05a312;\"><span style=\"color: #ffffff;\"><strong>Ecluse<\/strong><\/span><\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 24px; background-color: #05a312;\"><span style=\"color: #ffffff;\"><strong>Lieu<\/strong><\/span><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 24px; background-color: #05a312;\"><span style=\"color: #ffffff;\"><strong>Altitude<\/strong><\/span><\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 24px; background-color: #05a312;\"><span style=\"color: #ffffff;\"><strong>Distance de Nantes<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0120<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Moulin neuf<sup id=\"cite_ref-4\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">84,04\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">227,3\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0121<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Castel-Finans<sup id=\"cite_ref-5\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">85,64\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">228,3\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0122<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Caurel<sup id=\"cite_ref-6\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">88,74\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">229,5\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0123<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Kergoff<sup id=\"cite_ref-7\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">90,64\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">230,9\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0124<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Pouldu<sup id=\"cite_ref-8\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">92,68\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">232,0\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0125<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Baraval<sup id=\"cite_ref-9\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">95,18\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">232,8\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0126<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Kermadec<sup id=\"cite_ref-10\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">96,75\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">233,5\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0127<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Tr\u00e9gnanton<\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">99,75\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">234,0\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0128<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Cosquer<sup id=\"cite_ref-12\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">102,25\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">234,2\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0129<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Cuilleret<sup id=\"cite_ref-13\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">104,75\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">234,4\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0130<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Z\u00e9lo<sup id=\"cite_ref-14\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">106,75\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">234,7\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0131<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Saint-Gelven<sup id=\"cite_ref-15\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">109,25\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">235,0\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0132<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Malvran<sup id=\"cite_ref-16\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">111,58\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">235,2\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0133<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Toul-er-Lann<sup id=\"cite_ref-17\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">113,62\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">235,4\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; text-align: center; height: 27px;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0134<\/td>\n<td style=\"width: 22.8426%; text-align: center; height: 27px;\">Toulhou\u00ebt<sup id=\"cite_ref-18\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; text-align: center; height: 27px;\">115,94\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; text-align: center; height: 27px;\">235,7\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; height: 27px; text-align: center;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0135<\/td>\n<td style=\"width: 22.8426%; height: 27px; text-align: center;\">Granges<sup id=\"cite_ref-19\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; height: 27px; text-align: center;\">118,44\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; height: 27px; text-align: center;\">236,2\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<tr style=\"height: 27px;\">\n<td style=\"width: 10.3698%; height: 27px; text-align: center;\"><abbr class=\"abbr\" title=\"num\u00e9ro\">n<sup>o<\/sup><\/abbr>\u00a0136<\/td>\n<td style=\"width: 22.8426%; height: 27px; text-align: center;\">Longeau<sup id=\"cite_ref-20\" class=\"reference\"><\/sup><\/td>\n<td style=\"width: 24.9447%; height: 27px; text-align: center;\">120,94\u00a0m\u00e8tres<\/td>\n<td style=\"width: 21.7558%; height: 27px; text-align: center;\">236,7\u00a0kilom\u00e8tres<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Depuis 1957 (date du d\u00e9classement \u00e0 la navigation de la section Pontivy &#8211; Ch\u00e2teaulin du canal de Nantes \u00e0 Brest), le lac de Guerl\u00e9dan est devenu essentiellement un lieu touristique de loisirs et de promenades ainsi qu&rsquo;une r\u00e9serve d&rsquo;eau potable pour presque toute la moiti\u00e9 ouest du Morbihan.<\/p>\n<p>En 1968, neuf communes s&rsquo;associent pour cr\u00e9er le syndicat intercommunal pour l\u2019am\u00e9nagement de la rive sud du lac de Guerl\u00e9dan<sup id=\"cite_ref-22\" class=\"reference\"><\/sup>. On peut y pratiquer diverses activit\u00e9s nautiques, se promener sur les rives du lac dont les 40\u00a0<abbr class=\"abbr\" title=\"kilom\u00e8tre\">km<\/abbr>\u00a0du pourtour sont enti\u00e8rement balis\u00e9s, et profiter des points de vue panoramiques, notamment au rond-point du lac et \u00e0 l&rsquo;anse de Tregnanton, sur le c\u00f4t\u00e9 sauvage du lac.<\/p>\n<p><span style=\"color: #3366ff;\"><strong>Assec du Lac<\/strong><\/span><\/p>\n<p>En 1927, l&rsquo;\u00c9tat prescrit d\u2019ass\u00e9cher les lacs tous les dix ans afin de v\u00e9rifier l\u2019\u00e9tat des barrages et effectuer des r\u00e9parations. Celui de Guerl\u00e9dan doit subir cette op\u00e9ration en 1941 mais il est alors contr\u00f4l\u00e9 par les Allemands. La premi\u00e8re vidange a lieu en 1951. Depuis, il fait r\u00e9guli\u00e8rement l&rsquo;objet de vidanges partielles ou totales\u00a0: l&rsquo;assec\u00a0de 1951 est r\u00e9p\u00e9t\u00e9 en\u00a01966<sup id=\"cite_ref-23\" class=\"reference\"><\/sup>,\u00a01975,\u00a01985\u00a0et\u00a02015.<\/p>\n<p>D\u00e9voilant un paysage lunaire \u00e9tonnant, ces vidanges permettent de red\u00e9couvrir les vestiges de l&rsquo;ancienne vall\u00e9e, des activit\u00e9s humaines autour de celle-ci (maisons, jardinets, vergers) ainsi que les vestiges de l&rsquo;exploitation du\u00a0charbon de bois, des\u00a0ardoisi\u00e8res, des\u00a0\u00e9cluses\u00a0et\u00a0d\u00e9versoirs. Les\u00a0assecs\u00a0provoquent chaque fois un regain de curiosit\u00e9 pour le site.<\/p>\n<p>\u00c0 l&rsquo;occasion de la vidange de 1985, la foule s\u2019\u00e9tait d\u00e9plac\u00e9e durant toute la p\u00e9riode de vidage avec des embouteillages et de grands probl\u00e8mes de stationnement.<\/p>\n<p>Plus r\u00e9cemment, la technologie a permis d&rsquo;espacer le rythme des vidanges. En 1995 et 2005, des robots ont \u00e9t\u00e9 utilis\u00e9s pour inspecter les parties immerg\u00e9es<sup id=\"cite_ref-gouv2014_24-0\" class=\"reference\"><\/sup>. En\u00a02005, l&rsquo;examen subaquatique par robot r\u00e9v\u00e8le que l\u2019\u00e9tat du barrage n\u00e9cessite des travaux de r\u00e9fection du syst\u00e8me d\u2019\u00e9tanch\u00e9it\u00e9 du parement amont et la r\u00e9novation des vannes de fond et des conduits.<\/p>\n<p>\u00c0 la suite du renouvellement de sa concession en 2008, EDF vide le lac au printemps\u00a02015.<\/p>\n<p><span style=\"color: #3366ff;\"><em><strong>Assec de 2015<\/strong><\/em><\/span><\/p>\n<p>x<time class=\"nowrap date-lien\" datetime=\"2013-03-14\" data-sort-value=\"2013-03-14\">14\u00a0mars\u00a02013<\/time>, Georges Tilly, maire de\u00a0M\u00fbr-de-Bretagne\u00a0et pr\u00e9sident de la\u00a0communaut\u00e9 de communes Guerl\u00e9dan M\u00fbr-de-Bretagne, annonce officiellement une nouvelle vidange totale du lac de Guerl\u00e9dan<sup id=\"cite_ref-25\" class=\"reference\"><\/sup>:<\/p>\n<blockquote>\n<p>\u00ab Le 5 f\u00e9vrier, une r\u00e9union s\u2019est tenue avec les sous-pr\u00e9fets de Guingamp et de Pontivy, ainsi qu&rsquo;avec les responsables d\u2019EDF qui a la gestion du barrage de Guerl\u00e9dan et avec les diff\u00e9rents services de l\u2019\u00c9tat. Cette r\u00e9union faisait suite \u00e0 la r\u00e9glementation fran\u00e7aise imposant aux exploitants de barrages de plus de 10 m\u00e8tres de haut de r\u00e9aliser un examen technique complet tous les dix ans<sup id=\"cite_ref-26\" class=\"reference\"><\/sup>. Cette r\u00e9glementation s\u2019applique au barrage de Guerl\u00e9dan, un des principaux barrages hydro\u00e9lectriques de Bretagne, \u00e0 cheval sur les C\u00f4tes d\u2019Armor et le Morbihan.\u00a0\u00bb<\/p>\n<\/blockquote>\n<p>Diff\u00e9rentes commissions sont mises en place pour identifier toutes les probl\u00e9matiques tant en qualit\u00e9 de l\u2019eau, en eau potable, en gestion de la ressource piscicole, en flux de touristes et en impacts positifs ou n\u00e9gatifs sur les activit\u00e9s li\u00e9es au tourisme.<\/p>\n<p>Les principaux travaux r\u00e9alis\u00e9s lors de cet assec sont la r\u00e9fection de l&rsquo;\u00e9tanch\u00e9it\u00e9 de la paroi amont du barrage, la r\u00e9novation des deux conduits de fond et de leurs vannes, et la construction de\u00a0batardeaux\u00a0permettant en principe \u00e0 l&rsquo;avenir d&rsquo;\u00e9viter les vidanges totales.<\/p>\n<p>Les travaux durent huit mois, dont six avec le lac \u00e0 sec. \u00c0 partir de\u00a0<time class=\"nowrap date-lien\" datetime=\"2015-03\" data-sort-value=\"2015-03\">mars\u00a02015<\/time>, un turbinage abaisse progressivement le niveau de la retenue d\u2019eau de 10\u00a0<abbr class=\"abbr\" title=\"centim\u00e8tre\">cm<\/abbr>\u00a0par heure en moyenne. Une fois le niveau des turbines atteint, la vidange est r\u00e9alis\u00e9e par vannes, avec l&rsquo;ouverture des vannes de fond du barrage dont le d\u00e9bit de 35\u00a0<abbr class=\"abbr\" title=\"m\u00e8tre cube\">m<sup>3<\/sup><\/abbr>\/s fait baisser le niveau de 6\u00a0<abbr class=\"abbr\" title=\"centim\u00e8tre par heure\">cm\/h<\/abbr>\u00a0en moyenne. La p\u00e9riode d\u2019assec, au cours de laquelle l\u2019inspection des parties habituellement immerg\u00e9es et les travaux sont r\u00e9alis\u00e9s, a lieu de mai \u00e0\u00a0<time class=\"nowrap date-lien\" datetime=\"2015-11\" data-sort-value=\"2015-11\">novembre\u00a02015<\/time><sup id=\"cite_ref-gouv2014_24-1\" class=\"reference\"><\/sup>.<\/p>\n<p>La remise en eau est entam\u00e9e \u00e0 partir du\u00a0<time class=\"nowrap date-lien\" datetime=\"2015-10-29\" data-sort-value=\"2015-10-29\">29\u00a0octobre\u00a02015<\/time>. Apr\u00e8s remplissage de la retenue d\u2019eau par le d\u00e9bit naturel du Blavet, la centrale hydro\u00e9lectrique est remise en service d\u00e9but 2016<sup id=\"cite_ref-28\" class=\"reference\"><\/sup>.<\/p>\n<p>La p\u00eache de r\u00e9cup\u00e9ration permet de r\u00e9colter des poissons (sandre,\u00a0brochet,\u00a0perche,\u00a0br\u00e8me,\u00a0gardon) qui suivent trois destinations selon leur \u00e9tat\u00a0: 200\u00a0<abbr class=\"abbr\" title=\"kilogramme\">kg<\/abbr>\u00a0de poissons morts mais en bon \u00e9tat sanitaire sont mis en vente sur les march\u00e9s de la r\u00e9gion. Les plus ab\u00eem\u00e9s (la majorit\u00e9) sont transform\u00e9s en\u00a0farine animale\u00a0destin\u00e9e \u00e0 l&rsquo;alimentation des poissons. Les plus beaux sp\u00e9cimens sont r\u00e9partis dans les sites de p\u00eache des soci\u00e9t\u00e9s morbihannaises et costarmoricaines. Les recettes g\u00e9n\u00e9r\u00e9es par cette vente sont destin\u00e9es \u00e0 financer le plan de rempoissonnement qui pr\u00e9voit, apr\u00e8s le r\u00e9-emplissage de la retenue, la r\u00e9introduction de 13\u00a0tonnes de poissons (contre 18)<sup id=\"cite_ref-29\" class=\"reference\"><\/sup>.<\/p>\n<p>C\u00f4t\u00e9 tourisme, une trentaine de guides conf\u00e9renciers ont accueilli le public, avec deux \u00e0 trois millions de touristes attendus. Le bilan touristique officiel de cet assec montre qu&rsquo;il a attir\u00e9 entre 1,5 et deux millions de personnes, dont 141\u00a0421 pour les visites guid\u00e9es payantes<sup id=\"cite_ref-30\" class=\"reference\"><\/sup>.<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #3366ff;\"><strong>PHOTOS ASSEC 2015 DU LAC DE GUERLEDAN<\/strong><\/span>\u00a0<\/p>\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576-200x150.jpg\" alt=\"\" data-id=\"1518\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2576\/\" class=\"wp-image-1518\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2576.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577-200x150.jpg\" alt=\"\" data-id=\"1519\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2577\/\" class=\"wp-image-1519\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2577.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2578.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2578-200x150.jpg\" alt=\"\" data-id=\"1520\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2578.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2578\/\" class=\"wp-image-1520\" 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srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2581-150x200.jpg 150w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2581-225x300.jpg 225w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2581-18x24.jpg 18w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2581-27x36.jpg 27w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2581-36x48.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2581.jpg 450w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583-200x150.jpg\" alt=\"\" data-id=\"1525\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2583\/\" class=\"wp-image-1525\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2583.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584-200x150.jpg\" alt=\"\" data-id=\"1526\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2584\/\" class=\"wp-image-1526\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2584.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2585.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2585-200x150.jpg\" alt=\"\" data-id=\"1527\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2585.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2585\/\" class=\"wp-image-1527\" 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srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2586-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2586-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2586-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2586-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2586-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2586.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587-200x150.jpg\" alt=\"\" data-id=\"1529\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2587\/\" class=\"wp-image-1529\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2587.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588-200x150.jpg\" alt=\"\" data-id=\"1530\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2588\/\" class=\"wp-image-1530\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2588.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2589.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2589-200x150.jpg\" alt=\"\" data-id=\"1531\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2589.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2589\/\" class=\"wp-image-1531\" 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srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2606-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2606-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2606-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2606-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2606-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2606.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607-200x150.jpg\" alt=\"\" data-id=\"1548\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2607\/\" class=\"wp-image-1548\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2607.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2608.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2608-200x150.jpg\" alt=\"\" data-id=\"1549\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2608.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2608\/\" class=\"wp-image-1549\" 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srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2609-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2609-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2609-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2609-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2609-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2609.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610-200x150.jpg\" alt=\"\" data-id=\"1551\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2610\/\" class=\"wp-image-1551\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2610.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611-200x150.jpg\" alt=\"\" data-id=\"1552\" data-full-url=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611.jpg\" data-link=\"http:\/\/valderdre.fr\/wrdp\/guerledan-assec\/dscf2611\/\" class=\"wp-image-1552\" srcset=\"http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611-200x150.jpg 200w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611-300x225.jpg 300w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611-24x18.jpg 24w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611-36x27.jpg 36w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611-48x36.jpg 48w, http:\/\/valderdre.fr\/wrdp\/wp-content\/uploads\/DSCF2611.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><\/figure><\/li><\/ul><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Le lac de Guerledan Le\u00a0lac de Guerl\u00e9dan\u00a0est un\u00a0lac artificiel\u00a0fran\u00e7ais\u00a0situ\u00e9 d&rsquo;une part sur les communes de\u00a0Saint-Aignan\u00a0et\u00a0Sainte-Brigitte\u00a0dans le\u00a0Morbihan\u00a0et, d&rsquo;autre part, celles de\u00a0M\u00fbr-de-Bretagne,\u00a0Caurel\u00a0et\u00a0Saint-Gelven\u00a0dans les\u00a0C\u00f4tes-d&rsquo;Armor. Il mat\u00e9rialise, en partie, la limite entre le Morbihan et les C\u00f4tes-d&rsquo;Armor. D&rsquo;une superficie de\u00a0304\u00a0ha, long de 12\u00a0km\u00a0et profond de 45\u00a0m\u00a0au pied du barrage, le lac de Guerl\u00e9dan est le plus grand lac artificiel de\u00a0Bretagne. EtymologieSon nom vient du&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1494","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/pages\/1494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/comments?post=1494"}],"version-history":[{"count":19,"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/pages\/1494\/revisions"}],"predecessor-version":[{"id":1562,"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/pages\/1494\/revisions\/1562"}],"wp:attachment":[{"href":"http:\/\/valderdre.fr\/wrdp\/wp-json\/wp\/v2\/media?parent=1494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}