{"id":279266,"date":"2025-07-11T20:15:19","date_gmt":"2025-07-11T19:15:19","guid":{"rendered":"https:\/\/www.tomroc.com\/blog\/?p=279266"},"modified":"2026-06-15T21:38:43","modified_gmt":"2026-06-15T20:38:43","slug":"le-grand-ferrand-par-les-tunnels-avec-retour-par-le-vallon-du-grand-villard","status":"publish","type":"post","link":"https:\/\/www.tomroc.com\/blog\/2025\/07\/le-grand-ferrand-par-les-tunnels-avec-retour-par-le-vallon-du-grand-villard\/","title":{"rendered":"Le grand Ferrand par les tunnels, avec retour par le Vallon du grand Villard"},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Et si je partageais mon amour pour les randonn\u00e9es du vertige avec des membres du Club Alpin Fran\u00e7ais? Je d\u00e9cide de proposer une sortie sur cette th\u00e9matique, et c&#8217;est une premi\u00e8re pour moi, mais peut-\u00eatre aussi pour le club. Deux participants, Priscille et Gabriel, m&#8217;accompagneront pour 4 jours de sorties. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.tomroc.com\/blog\/wp-admin\/post.php?post=279266&amp;action=edit\">Le grand Ferrand par les tunnels, avec retour par le Vallon du grand Villard<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.tomroc.com\/blog\/wp-admin\/post.php?post=279268&amp;action=edit\">Les jumeaux de Faraut par la rampe des ailes v2<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.tomroc.com\/blog\/wp-admin\/post.php?post=279270&amp;action=edit\">Rappels dans la cascade de Casse Varnage<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.tomroc.com\/blog\/wp-admin\/post.php?post=279272&amp;action=edit\">La Draye de Seblou et des Communaux<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nous posons nos tentes au sympathique camping du lac du Sautet, qui nous servira de camp de base et je choisis pour cette premi\u00e8re journ\u00e9e un itin\u00e9raire que je connais bien, mais n&#8217;avais pas pu finaliser faute de temps lors de <a href=\"https:\/\/www.tomroc.com\/blog\/2013\/08\/randonnee-vertige-au-grand-ferrand\/\" data-type=\"post\" data-id=\"7229\">ma pr\u00e9c\u00e9dente tentative<\/a>. Il me semble adapt\u00e9 pour tester mes camarades, mais sans trop de prise de risque.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous d\u00e9butons en remontant le lit du torrent des Adroits, bien sec en cette p\u00e9riode.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-0953-5.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-0953-5.jpg\" data-rl_caption=\"\" title=\"20250711-0953-5.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-0953-5-960x720.jpg\" alt=\"\" class=\"wp-image-279492\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous poursuivons alors en direction du Chorum des adroits, et au passage pouvons admirer Roche Courbe.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1040-34.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1040-34.jpg\" data-rl_caption=\"\" title=\"20250711-1040-34.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1040-34-960x720.jpg\" alt=\"\" class=\"wp-image-279493\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous visitons les tunnels du Chorum, et ce qui ressemble \u00e0 un emplacement de bivouac de berger.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1042-39-panorama.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1042-39-Panorama.jpg\" data-rl_caption=\"\" title=\"20250711-1042-39-Panorama.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"337\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1042-39-panorama-960x337.jpg\" alt=\"\" class=\"wp-image-279494\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous engageons la mont\u00e9e en direction du Pas de la Cloche.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1114-69.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1114-69.jpg\" data-rl_caption=\"\" title=\"20250711-1114-69.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1114-69-960x720.jpg\" alt=\"\" class=\"wp-image-279495\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Et montons droit dans les pentes en direction d&#8217;un tunnel, que l&#8217;on devine en haut \u00e0 gauche de cette image.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1231-90.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1231-90.jpg\" data-rl_caption=\"\" title=\"20250711-1231-90.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1231-90-960x720.jpg\" alt=\"\" class=\"wp-image-279496\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Il nous fait traverser la montagne, nous ressortons sur l&#8217;autre face, et attaquons la mont\u00e9e sur une pente d&#8217;herbe tr\u00e8s raide. Sur terrain sec cela passe en faisant attention, mais heureusement que nous sommes \u00e0 la mont\u00e9e et par temps sec !<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1259-141.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1259-141.jpg\" data-rl_caption=\"\" title=\"20250711-1259-141.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1259-141-960x720.jpg\" alt=\"\" class=\"wp-image-279497\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous longeons les cr\u00eates et alors le clou du spectacle se d\u00e9voile : Le Grand Ferrand, le Chorum Olympique, et l&#8217;objectif principal de cette sortie, les tunnels qui m\u00e8neront au sommet. Et le pierrier, tout \u00e0 droite, improbable ligne de descente qui semble bien verticale vue d&#8217;ici.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1308-150-panorama.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1308-150-Panorama.jpg\" data-rl_caption=\"\" title=\"20250711-1308-150-Panorama.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"447\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1308-150-panorama-960x447.jpg\" alt=\"\" class=\"wp-image-279498\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Derri\u00e8re moi, l&#8217;\u00e9quipe poursuit notre itin\u00e9raire sur les cr\u00eates, mais pas toujours tr\u00e8s \u00e0 l&#8217;aise.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1322-229.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1322-229.jpg\" data-rl_caption=\"\" title=\"20250711-1322-229.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1322-229-960x720.jpg\" alt=\"\" class=\"wp-image-279499\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous nous rapprochons du Chorum et des tunnels, ce paysage ne cesse de m&#8217;\u00e9merveiller.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1323-234.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1323-234.jpg\" data-rl_caption=\"\" title=\"20250711-1323-234.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1323-234-960x720.jpg\" alt=\"\" class=\"wp-image-279500\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous avons commenc\u00e9 \u00e0 remonter dans le tunnels, et la derni\u00e8re section comporte un petit passage de grimpe facile, nous sortons la corde et posons quelques points pour nous prot\u00e9ger.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1403-261.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1403-261.jpg\" data-rl_caption=\"\" title=\"20250711-1403-261.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1403-261-960x720.jpg\" alt=\"\" class=\"wp-image-279501\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous voil\u00e0 maintenant sous les fameuses Arches interf\u00e9rentes, clou du spectacle des tunnels.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1431-282.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1431-282.jpg\" data-rl_caption=\"\" title=\"20250711-1431-282.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1431-282-960x720.jpg\" alt=\"\" class=\"wp-image-279502\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La configuration est effectivement assez unique !<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1452-312.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1452-312.jpg\" data-rl_caption=\"\" title=\"20250711-1452-312.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1452-312-960x720.jpg\" alt=\"\" class=\"wp-image-279503\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vue derni\u00e8re nous, peu avant que nous rentrons dans un n-i\u00e8me petit tunnel avant d&#8217;acc\u00e9der au sommet. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1503-336.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1503-336.jpg\" data-rl_caption=\"\" title=\"20250711-1503-336.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1503-336-960x720.jpg\" alt=\"\" class=\"wp-image-279504\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Et nous voil\u00e0 au sommet du Grand Ferrand, seuls aujourd&#8217;hui.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1517-369.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1517-369.jpg\" data-rl_caption=\"\" title=\"20250711-1517-369.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1517-369-960x720.jpg\" alt=\"\" class=\"wp-image-279505\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous reprenons la descente par la voie normale.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1547-392.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1547-392.jpg\" data-rl_caption=\"\" title=\"20250711-1547-392.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1547-392-960x720.jpg\" alt=\"\" class=\"wp-image-279506\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Et repartons en direction du Chorum Olympique, et au passage se d\u00e9voile une face du Vallon du Grand Villard par lequel nous allons rentrer.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1614-409.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1614-409.jpg\" data-rl_caption=\"\" title=\"20250711-1614-409.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"708\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1614-409-960x708.jpg\" alt=\"\" class=\"wp-image-279507\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Au sommet de l&#8217;impressionnant trou du Chorum. En hiver, cela se pratique, car les choses sont surement plus ais\u00e9e quand c&#8217;est gav\u00e9 de neige &#8230; Sans, c&#8217;est assez aust\u00e8re !<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1618-412-960x720.jpg\" alt=\"\" class=\"wp-image-279508\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le vallon, un groupe de bouquetins, ou chamois.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1653-478.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1653-478.jpg\" data-rl_caption=\"\" title=\"20250711-1653-478.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1653-478-960x720.jpg\" alt=\"\" class=\"wp-image-279509\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Une fois dans le creux du vallon, derri\u00e8re nous la ligne de descente du pierrier depuis l&#8217;\u00e9tage sup\u00e9rieur se dessine nettement.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a  href=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1711-489.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"20250711-1711-489.jpg\" data-rl_caption=\"\" title=\"20250711-1711-489.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.tomroc.com\/blog\/wp-content\/uploads\/20250711-1711-489-960x720.jpg\" alt=\"\" class=\"wp-image-279510\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sans que nous ayons fait tous les recoins et tunnels \u00e9ventuellement pr\u00e9vus ce jour l\u00e0, la journ\u00e9e a \u00e9t\u00e9 longue, et il il nous aura fallu plus de 10h pour tout boucler. Mais sur la fin Gabriel, le plus jeune d&#8217;entre nous, avait trop mal aux genoux et a demander \u00e0 s&#8217;arr\u00eater. Ce qui n&#8217;aurait pas r\u00e9solu le souci alors il a pris sur lui et fini tant bien que mal et p\u00e9niblement.<\/p>\n\n\n\t\t<div id=\"maps-marker-pro-cbb8ff9c\" class=\"maps-marker-pro\" style=\"width: 100%;\">\n\t\t\t<div id=\"mmp-map-wrap-cbb8ff9c\" class=\"mmp-map-wrap\">\n\t\t\t\t\t\t\t\t<div id=\"mmp-map-cbb8ff9c\" class=\"mmp-map\" style=\"height: 600px;\"><\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"mmp-chart-wrap-cbb8ff9c\" class=\"mmp-gpx-chart-wrap\" style=\"height: 200px;\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Quelques chiffres<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Distance : 12km<\/li>\n\n\n\n<li>D\u00e9nivel\u00e9 : +1320 m -1320 m<\/li>\n\n\n\n<li>horaires : d\u00e9part 9h15 retour 19h34<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Premi\u00e8re journ\u00e9e test avec mes deux compagnons du CAF IDF, Gabriel et Priscille.<\/p>\n","protected":false},"author":1,"featured_media":279500,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[53],"tags":[1255,464,2889,130],"class_list":["post-279266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-randonnee-trail","tag-1-jour","tag-caf-idf","tag-massif-du-devoluy","tag-randonnee-vertige"],"_links":{"self":[{"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/posts\/279266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/comments?post=279266"}],"version-history":[{"count":24,"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/posts\/279266\/revisions"}],"predecessor-version":[{"id":279565,"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/posts\/279266\/revisions\/279565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/media\/279500"}],"wp:attachment":[{"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/media?parent=279266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/categories?post=279266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tomroc.com\/blog\/wp-json\/wp\/v2\/tags?post=279266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}