{"id":1546,"date":"2010-09-21T17:37:16","date_gmt":"2010-09-21T16:37:16","guid":{"rendered":"http:\/\/mdemierre.speleologie.ch\/?p=1546"},"modified":"2026-05-14T15:33:11","modified_gmt":"2026-05-14T14:33:11","slug":"le-reseau-des-fees","status":"publish","type":"post","link":"https:\/\/www.techt.ch\/mdemierre\/?p=1546","title":{"rendered":"Le R\u00e9seau des F\u00e9es"},"content":{"rendered":"<p>Le R\u00e9seau de F\u00e9es \u00e0 Vallorbe (les Grottes aux F\u00e9es), a \u00e9t\u00e9 d\u00e9couvert suite \u00e0 une d\u00e9sobstruction dans la tr\u00e8s connue grande grotte aux F\u00e9es, non loin des Grottes de l&rsquo;Orbe. Cette cavit\u00e9 est aujourd&rsquo;hui la plus longue de Suisse romande. Une belle d\u00e9couverte ! \ud83d\ude09<\/p>\n<p>En juin 2000, les fr\u00e8res Demierre \u00e9taient aussi \u00e0 l&rsquo;origine de la d\u00e9couverte, en ayant fait une observation d\u00e9terminante sur les <a title=\"Les courants d\u2019air\" href=\"http:\/\/mdemierre.speleologie.ch\/?p=1077\" target=\"_blank\">courants d&rsquo;air<\/a>, lors de la d\u00e9sobstruction de la grotte du Gaucher \u00e0 proximit\u00e9. Etude des courants d&rsquo;air \u00e0 la source et dans les diff\u00e9rentes grottes avec des fumig\u00e8nes :<br \/>\nngg_shortcode_0_placeholder<\/p>\n<p>Extrait du journal d&rsquo;exploration :<br \/>\nngg_shortcode_1_placeholder<\/p>\n<p>Quelques photos prisent lors de cette premi\u00e8re :<br \/>\nngg_shortcode_2_placeholder<\/p>\n<p>Et un film :<\/p>\n<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"Des sp\u00e9l\u00e9os et des f\u00e9es\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/32ti85JUUts?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Coordonn\u00e9es :<br \/>\n516&rsquo;035 \/ 172&rsquo;645 alt. 865 m (Grande Grotte aux F\u00e9es)<br \/>\n514&rsquo;510 \/ 172&rsquo;610 (Gouffre des Follatons)<br \/>\nD\u00e9v : env. 20&rsquo;000 m \u00a0D\u00e9niv. : 227\u00a0m<br \/>\nInformations :\u00a0<span style=\"text-decoration: underline; color: #0000ff;\"><a style=\"color: #0000ff; text-decoration: underline;\" title=\"R\u00e9seau des Grottes aux F\u00e9es\" href=\"http:\/\/www.speleo-lausanne.ch\/06_Activites\/Explorations\/Vd-Jura\/Vallorbe-fees\/_Fees-vallorbe.htm\" target=\"_blank\">Lien 1<\/a> <a style=\"color: #0000ff; text-decoration: underline;\" title=\"R\u00e9seau des Grottes aux F\u00e9es\" href=\"http:\/\/www.speleo-lausanne.ch\/07_Publications\/Le_Trou\/TrouPDF\/Trou-2011_68.pdf\" target=\"_blank\">Lien 2<\/a><\/span><br \/>\nTopographie :\u00a0<span style=\"text-decoration: underline;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff; text-decoration: underline;\" title=\"Plan g\u00e9n\u00e9ral du R\u00e9seau des Grottes aux F\u00e9es\" href=\"http:\/\/www.speleo-lausanne.ch\/06_Activites\/Explorations\/Vd-Jura\/Vallorbe-fees\/Topographie\/Fees-vallorbe_Plan-general.pdf\" target=\"_blank\">Plan g\u00e9n\u00e9ral<\/a> <a style=\"color: #0000ff; text-decoration: underline;\" title=\"3D du R\u00e9seau des Grottes aux F\u00e9es\" href=\"http:\/\/www.speleo-lausanne.ch\/06_Activites\/Explorations\/Vd-Jura\/Vallorbe-fees\/Topographie\/Fees-vallorbe_Vue-3d.pdf\" target=\"_blank\">3D<\/a><\/span><\/span><br \/>\nRemarques : Longue travers\u00e9e depuis le Gouffre des Follatons. Grande galeries. Porte du c\u00f4t\u00e9 des F\u00e9es.<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Mise en garde :<\/strong><\/span>\u00a0la visite de ces cavit\u00e9s n\u00e9cessitent une formation sp\u00e9l\u00e9o et un \u00e9quipement ad\u00e9quat. <span style=\"text-decoration: underline; color: #000080;\"><a title=\"Contact\" href=\"http:\/\/mdemierre.speleologie.ch\/?page_id=24\" target=\"_blank\"><span style=\"color: #000080; text-decoration: underline;\">N&rsquo;h\u00e9sitez pas \u00e0 me contacter !<\/span><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le R\u00e9seau de F\u00e9es \u00e0 Vallorbe (les Grottes aux F\u00e9es), a \u00e9t\u00e9 d\u00e9couvert suite \u00e0 une d\u00e9sobstruction dans la tr\u00e8s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1625,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ngg_post_thumbnail":0,"footnotes":""},"categories":[8,78],"tags":[37,58,19,55],"class_list":["post-1546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cavites","category-exploration-vaud","tag-exploration-2","tag-speleo","tag-speleologie-2","tag-suisse"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Le R\u00e9seau de F\u00e9es \u00e0 Vallorbe (les Grottes aux F\u00e9es), a \u00e9t\u00e9 d\u00e9couvert suite \u00e0 une d\u00e9sobstruction dans la tr\u00e8s connue grande grotte aux F\u00e9es, non loin des Grottes de l&#039;Orbe. 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