{"id":30588,"date":"2023-03-09T12:46:47","date_gmt":"2023-03-09T10:46:47","guid":{"rendered":"https:\/\/www.visitgorliz.eus\/patrimonio\/flysch-bizkaia\/"},"modified":"2025-03-12T17:04:53","modified_gmt":"2025-03-12T15:04:53","slug":"flysch-bizkaia","status":"publish","type":"patrimonio","link":"https:\/\/www.visitgorliz.eus\/fr\/patrimoine\/flysch-bizkaia\/","title":{"rendered":"FLYSCH BIZKAIA"},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-680c8c4f wp-block-group-is-layout-constrained\" style=\"padding-top:1rem;padding-right:1rem;padding-bottom:3rem;padding-left:1rem\">\n<div class=\"wp-block-genesis-blocks-gb-columns gb-layout-columns-2 gb-2-col-wideright gb-columns-center\" style=\"margin-top:40px;margin-bottom:70px\"><div class=\"gb-layout-column-wrap gb-block-layout-column-gap-2 gb-is-responsive-column\" style=\"max-width:1450px\">\n<div class=\"wp-block-genesis-blocks-gb-column gb-block-layout-column gb-is-vertically-aligned-center\"><div class=\"gb-block-layout-column-inner\">\n<p>En suivant le trac\u00e9 du E9 \u2013 Sentier europ\u00e9en du littoral, qui en Bizkaia co\u00efncide avec le tron\u00e7on c\u00f4tier du GR 123 \u2013 Tour de Bizkaia, nous pourrons nous approcher d\u2019un bon nombre des tr\u00e9sors g\u00e9ologiques d\u2019Uribe.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-column gb-block-layout-column\"><div class=\"gb-block-layout-column-inner\">\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"300\" height=\"225\" data-id=\"25747\" data-src=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/Dunas-petrificadas-dunas-gorliz-2-300x225-2.jpg\" alt=\"Dunes p\u00e9trifi\u00e9es de Gorliz\" class=\"wp-image-25747 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/225;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"300\" height=\"200\" data-id=\"25751\" data-src=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/Fortin_Azkorriaga_castillito-300x200-2.jpg\" alt=\"Fortin d'Askorriaga avec la mer et les falaises de Barrika au fond\" class=\"wp-image-25751 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/200;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"300\" height=\"169\" data-id=\"25755\" data-src=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/gorliz_descubre_actividades_deporte_NW_rutacabobillano_01-300x169-1.jpg\" alt=\"Vue des falaises de Gorliz avec le phare au fond\" class=\"wp-image-25755 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/169;\" \/><\/figure>\n<\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-primary-color has-alpha-channel-opacity has-primary-background-color has-background is-style-default\"\/>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-79c1f68e wp-block-group-is-layout-constrained\" style=\"padding-top:30px;padding-right:0;padding-left:0\">\n<h2 class=\"wp-block-heading\"><strong>Route du Flysch de Biscaye<\/strong><\/h2>\n\n\n\n<p>Sur la route du flysch de Biscaye, en passant par Gorliz, vous trouverez 3 Lieux d\u2019Int\u00e9r\u00eat G\u00e9ologique (LIG) marqu\u00e9s de 3 panneaux d\u2019interpr\u00e9tation.<\/p>\n\n\n\n<p><strong>Dunes fossiles \u00e1 Astondo:<\/strong><\/p>\n\n\n\n<p>Les dunes d\u2019Astondo font partie d\u2019un cordon de dunes c\u00f4ti\u00e8res quaternaires, fossilis\u00e9es il y a environ 6.000 ans et envahies par la v\u00e9g\u00e9tation. On peut y observer les couches de s\u00e9diments qui reposent sur le flysch du Cr\u00e9tac\u00e9 sup\u00e9rieur.<\/p>\n\n\n\n<p>Composition :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Couche sup\u00e9rieure : sables fins et v\u00e9g\u00e9tation.<\/li>\n\n\n\n<li>Couche interm\u00e9diaire : sables biog\u00e8nes ciment\u00e9s, avec des restes de bivalves, gast\u00e9ropodes et foraminif\u00e8res.<\/li>\n\n\n\n<li>Couche inf\u00e9rieure : lutites sableuses avec des restes de gast\u00e9ropodes et foraminif\u00e8res<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/04\/PANEL-GORLIZ-dunas2021-02-26.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Voir le panneau Fossil Dunes<\/a><\/p>\n\n\n\n<p><strong>Pointe d\u2019Askorriaga<\/strong><\/p>\n\n\n\n<p>Un promontoire rocheux qui s\u2019est form\u00e9 il y a 120 millions d\u2019ann\u00e9es \u00e0 partir des restes d\u2019un r\u00e9cif de corail et de mollusques. Il repr\u00e9sente un point de transition entre le flysch noir (du Cr\u00e9tac\u00e9 inf\u00e9rieur) et le flysch calcaire (du Cr\u00e9tac\u00e9 sup\u00e9rie).<\/p>\n\n\n\n<p>\u00c0 cet endroit si singulier fut \u00e9difi\u00e9 au XVIIIe si\u00e8cle un fortin, afin de pr\u00e9venir d\u2019\u00e9ventuelles attaques des navires anglais dans le Golfe de Gascogne.Tomb\u00e9 en d\u00e9su\u00e9tude au fil du temps, il constitue aujourd\u2019hui un belv\u00e9d\u00e8re exceptionnel sur la c\u00f4te d\u2019Uribe.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/04\/PANEL-GORLIZ-askorriaga2021-02-26.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Voir le panneau Pointe d\u2019Askorriaga<\/a><\/p>\n\n\n\n<p><strong>Ensemble Cap Billao<\/strong><\/p>\n\n\n\n<p>Les mat\u00e9riaux qui composent le Site d\u2019Int\u00e9r\u00eat G\u00e9ologique de Cap Billao se sont form\u00e9s au Cr\u00e9tac\u00e9, il y a 110-90 millions d\u2019ann\u00e9es, durant une p\u00e9riode d\u2019intense activit\u00e9 tectonique dans le bassin basque-cantabrique.<\/p>\n\n\n\n<p>Des collisions post\u00e9rieures et l\u2019action des vagues mod\u00e8leraient cette partie de la c\u00f4te, jusqu\u2019\u00e0 son \u00e9tat actuel.<\/p>\n\n\n\n<p>Le phare a \u00e9t\u00e9 construit en 1990 dans ce lieu, il est consid\u00e9r\u00e9 comme le plus haut de la Corniche cantabrique, \u00e0 cause de son emplacement sur une falaise de 165 m de hauteur.<\/p>\n\n\n\n<p>L\u2019action de la mer sur le littoral s\u2019est charg\u00e9e de sculpter les falaises et de cr\u00e9er des \u00eelots comme le Cap Billao, qui servent de refuge aux innombrables oiseaux aquatiques. Sur cette \u00eele se sont d\u00e9velopp\u00e9es des esp\u00e8ces m\u00e9diterran\u00e9ennes comme l\u2019olivier Olea europaea ou la Lavatera arborea (mauve royale) qui sont arriv\u00e9es ici gr\u00e2ce aux oiseaux migrateurs.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/04\/PANEL-GORLIZbillao2021-02-26.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Voir le panneau&nbsp; Cap Billao<\/a><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2024\/06\/flysch-bizkaia-map-23.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Flysch Bizkaia carte<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"featured_media":28588,"template":"","meta":{"footnotes":""},"class_list":["post-30588","patrimonio","type-patrimonio","status-publish","has-post-thumbnail","hentry"],"featured_image":{"thumbnail":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/acantilados-gorliz-150x150.jpg",150,150,true],"medium":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/acantilados-gorliz-300x180.jpg",300,180,true],"medium_large":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/acantilados-gorliz.jpg",500,300,false],"large":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/acantilados-gorliz.jpg",500,300,false]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Route du flysch de Biscaye \u00e0 Gorliz<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez la route du flysch de Biscaye qui passe par Gorliz. 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