{"id":92960,"date":"2026-02-01T16:41:33","date_gmt":"2026-02-01T14:41:33","guid":{"rendered":"https:\/\/centcols.org\/?p=92960"},"modified":"2026-02-02T19:00:42","modified_gmt":"2026-02-02T17:00:42","slug":"snooze-neck","status":"publish","type":"post","link":"https:\/\/centcols.org\/en\/col-sommeiller\/","title":{"rendered":"Sommeiller pass"},"content":{"rendered":"

Sommeiller Pass (FR-73-2993<\/a> or IT-TO-2993<\/a>) is one of the few cycle passes approaching the 3,000m mark. In addition to its high altitude, the Sommeiller is also a long ascent of 26km, 19 of which are on track that can be very rough, especially towards the end, with a difference in altitude of almost 1800m and magnificent scenery.
The turquoise waters of Lac de Rochemolles, set in a glacial valley that is still very green, are already a feast for the eyes on the first part of the climb. After levelling out for 2.4km, the trail turns east, skirting the Costa del Becco spur. Opposite you is an imposing cirque carved out of the west face of the Rognosa d'Etiache. This is the most beautiful part of the climb, as you climb an impressive series of 16 switchbacks to cross a lock.
After this lock, you reach the Pian dei Morti. The mountain then becomes bare and the world becomes mineral until you reach the Sommeiller pass after another series of switchbacks on a track that is now very stony, although there is a strange 400m tarmac section at around 21m.e<\/sup> km.
The Ambin hut, on the edge of Lake Sommeiller, completes the ascent. The Sommeiller glacier licks its tongue across the Maurienne side and the Ambin valley. In the distance, to the south-east, you can see the high peaks of the Oisans region, from the \u00c9crins to the Meije.
Distance: 26km
Altitude gain: 1758m
Average gradient: 6.8%
Text and photo credits by Thierry PERRET<\/p>\n\n\n

\n
\"\"
Col Sommeiller card from the Centscols \u00aeIGN catalogue<\/figcaption><\/figure>\n<\/div>\n\n\n
\n
\"\"<\/a>
Laces above the Scarfiotti refuge 2156m.
The photo was taken at an altitude of around 2300m.<\/figcaption><\/figure>\n\n\n\n
\"\"<\/a>
As the track twists and turns towards Pian dei Morti, the landscape becomes increasingly mineral.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n
\n
\"\"
In sight of the pass... in icy air despite the sunshine
(photo taken in August).<\/figcaption><\/figure>\n\n\n\n
\"\"
Duo at the top of the pass... near Lac Sommeiller.
In the background, the Sommeiller glacier descending the Maurienne side.<\/figcaption><\/figure>\n<\/figure>\n\n\n
\n
\"\"
Profile of the Sommeiller pass from Millaures (Italy)<\/figcaption><\/figure>\n<\/div>\n\n\n

Further information on the Col Sommeiller can be found by clicking on the following link: i\/util\/geo\/visu.php?code=FR-73-2993<\/a><\/p>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

Le col Sommeiller (FR-73-2993 ou IT-TO-2993) fait partie des rares cols cyclables s’approchant de la barre des 3000m. Outre sa haute altitude, le Sommeiller c’est aussi une longue ascension de 26km dont 19 de piste parfois tr\u00e8s raboteuse, surtout vers la fin, une d\u00e9nivellation de pr\u00e8s de 1800m et des paysages grandioses.Les eaux turquoises du […]<\/p>\n","protected":false},"author":485,"featured_media":93183,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[308],"tags":[],"class_list":["post-92960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cols-en-vrac"],"acf":[],"yoast_head":"\nCol Sommeiller - Club des Cent Cols<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/centcols.org\/en\/snooze-neck\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Col Sommeiller - Club des Cent Cols\" \/>\n<meta property=\"og:description\" content=\"Le col Sommeiller (FR-73-2993 ou IT-TO-2993) fait partie des rares cols cyclables s’approchant de la barre des 3000m. Outre sa haute altitude, le Sommeiller c’est aussi une longue ascension de 26km dont 19 de piste parfois tr\u00e8s raboteuse, surtout vers la fin, une d\u00e9nivellation de pr\u00e8s de 1800m et des paysages grandioses.Les eaux turquoises du […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/centcols.org\/en\/snooze-neck\/\" \/>\n<meta property=\"og:site_name\" content=\"Club des Cent Cols\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/groups\/5261880558\/?locale=fr_FR\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-01T14:41:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-02T17:00:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"380\" \/>\n\t<meta property=\"og:image:height\" content=\"249\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jean-No\u00ebl Jagoda\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jean-No\u00ebl Jagoda\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/\"},\"author\":{\"name\":\"Jean-No\u00ebl Jagoda\",\"@id\":\"https:\/\/centcols.org\/#\/schema\/person\/30f4299f11521fed498f98ecf9d71664\"},\"headline\":\"Col Sommeiller\",\"datePublished\":\"2026-02-01T14:41:33+00:00\",\"dateModified\":\"2026-02-02T17:00:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/\"},\"wordCount\":384,\"publisher\":{\"@id\":\"https:\/\/centcols.org\/#organization\"},\"image\":{\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg\",\"articleSection\":[\"Cols en vrac\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/\",\"url\":\"https:\/\/centcols.org\/de\/schlummerpass\/\",\"name\":\"Col Sommeiller - Club des Cent Cols\",\"isPartOf\":{\"@id\":\"https:\/\/centcols.org\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg\",\"datePublished\":\"2026-02-01T14:41:33+00:00\",\"dateModified\":\"2026-02-02T17:00:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/centcols.org\/de\/schlummerpass\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage\",\"url\":\"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg\",\"contentUrl\":\"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg\",\"width\":380,\"height\":249},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/centcols.org\/de\/schlummerpass\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/centcols.org\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cols en vrac\",\"item\":\"https:\/\/centcols.org\/rubrique\/cols-en-vrac\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Col Sommeiller\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/centcols.org\/#website\",\"url\":\"https:\/\/centcols.org\/\",\"name\":\"Club des Cent Cols\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/centcols.org\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/centcols.org\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/centcols.org\/#organization\",\"name\":\"Club des Cent Cols\",\"url\":\"https:\/\/centcols.org\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/centcols.org\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/centcols.org\/wp-content\/uploads\/2025\/01\/carte-icone.png\",\"contentUrl\":\"https:\/\/centcols.org\/wp-content\/uploads\/2025\/01\/carte-icone.png\",\"width\":250,\"height\":250,\"caption\":\"Club des Cent Cols\"},\"image\":{\"@id\":\"https:\/\/centcols.org\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/groups\/5261880558\/?locale=fr_FR\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/centcols.org\/#\/schema\/person\/30f4299f11521fed498f98ecf9d71664\",\"name\":\"Jean-No\u00ebl Jagoda\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/centcols.org\/wp-content\/litespeed\/avatar\/4a9472068cd97156227754c35cd56ded.jpg?ver=1777248804\",\"url\":\"https:\/\/centcols.org\/wp-content\/litespeed\/avatar\/4a9472068cd97156227754c35cd56ded.jpg?ver=1777248804\",\"contentUrl\":\"https:\/\/centcols.org\/wp-content\/litespeed\/avatar\/4a9472068cd97156227754c35cd56ded.jpg?ver=1777248804\",\"caption\":\"Jean-No\u00ebl Jagoda\"},\"url\":\"https:\/\/centcols.org\/en\/author\/7270\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Col Sommeiller - Club des Cent Cols","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/centcols.org\/en\/snooze-neck\/","og_locale":"en_GB","og_type":"article","og_title":"Col Sommeiller - Club des Cent Cols","og_description":"Le col Sommeiller (FR-73-2993 ou IT-TO-2993) fait partie des rares cols cyclables s’approchant de la barre des 3000m. Outre sa haute altitude, le Sommeiller c’est aussi une longue ascension de 26km dont 19 de piste parfois tr\u00e8s raboteuse, surtout vers la fin, une d\u00e9nivellation de pr\u00e8s de 1800m et des paysages grandioses.Les eaux turquoises du […]","og_url":"https:\/\/centcols.org\/en\/snooze-neck\/","og_site_name":"Club des Cent Cols","article_publisher":"https:\/\/www.facebook.com\/groups\/5261880558\/?locale=fr_FR","article_published_time":"2026-02-01T14:41:33+00:00","article_modified_time":"2026-02-02T17:00:42+00:00","og_image":[{"width":380,"height":249,"url":"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg","type":"image\/jpeg"}],"author":"Jean-No\u00ebl Jagoda","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jean-No\u00ebl Jagoda","Estimated reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/centcols.org\/de\/schlummerpass\/#article","isPartOf":{"@id":"https:\/\/centcols.org\/de\/schlummerpass\/"},"author":{"name":"Jean-No\u00ebl Jagoda","@id":"https:\/\/centcols.org\/#\/schema\/person\/30f4299f11521fed498f98ecf9d71664"},"headline":"Col Sommeiller","datePublished":"2026-02-01T14:41:33+00:00","dateModified":"2026-02-02T17:00:42+00:00","mainEntityOfPage":{"@id":"https:\/\/centcols.org\/de\/schlummerpass\/"},"wordCount":384,"publisher":{"@id":"https:\/\/centcols.org\/#organization"},"image":{"@id":"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage"},"thumbnailUrl":"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg","articleSection":["Cols en vrac"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https:\/\/centcols.org\/de\/schlummerpass\/","url":"https:\/\/centcols.org\/de\/schlummerpass\/","name":"Col Sommeiller - Club des Cent Cols","isPartOf":{"@id":"https:\/\/centcols.org\/#website"},"primaryImageOfPage":{"@id":"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage"},"image":{"@id":"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage"},"thumbnailUrl":"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg","datePublished":"2026-02-01T14:41:33+00:00","dateModified":"2026-02-02T17:00:42+00:00","breadcrumb":{"@id":"https:\/\/centcols.org\/de\/schlummerpass\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/centcols.org\/de\/schlummerpass\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/centcols.org\/de\/schlummerpass\/#primaryimage","url":"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg","contentUrl":"https:\/\/centcols.org\/wp-content\/uploads\/2026\/01\/col_sommeiller_photo_1.jpg","width":380,"height":249},{"@type":"BreadcrumbList","@id":"https:\/\/centcols.org\/de\/schlummerpass\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/centcols.org\/"},{"@type":"ListItem","position":2,"name":"Cols en vrac","item":"https:\/\/centcols.org\/rubrique\/cols-en-vrac\/"},{"@type":"ListItem","position":3,"name":"Col Sommeiller"}]},{"@type":"WebSite","@id":"https:\/\/centcols.org\/#website","url":"https:\/\/centcols.org\/","name":"Club des Cent Cols","description":"","publisher":{"@id":"https:\/\/centcols.org\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/centcols.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/centcols.org\/#organization","name":"Club des Cent Cols","url":"https:\/\/centcols.org\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/centcols.org\/#\/schema\/logo\/image\/","url":"https:\/\/centcols.org\/wp-content\/uploads\/2025\/01\/carte-icone.png","contentUrl":"https:\/\/centcols.org\/wp-content\/uploads\/2025\/01\/carte-icone.png","width":250,"height":250,"caption":"Club des Cent Cols"},"image":{"@id":"https:\/\/centcols.org\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/groups\/5261880558\/?locale=fr_FR"]},{"@type":"Person","@id":"https:\/\/centcols.org\/#\/schema\/person\/30f4299f11521fed498f98ecf9d71664","name":"Jean-No\u00ebl Jagoda","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/centcols.org\/wp-content\/litespeed\/avatar\/4a9472068cd97156227754c35cd56ded.jpg?ver=1777248804","url":"https:\/\/centcols.org\/wp-content\/litespeed\/avatar\/4a9472068cd97156227754c35cd56ded.jpg?ver=1777248804","contentUrl":"https:\/\/centcols.org\/wp-content\/litespeed\/avatar\/4a9472068cd97156227754c35cd56ded.jpg?ver=1777248804","caption":"Jean-No\u00ebl Jagoda"},"url":"https:\/\/centcols.org\/en\/author\/7270\/"}]}},"_links":{"self":[{"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/posts\/92960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/users\/485"}],"replies":[{"embeddable":true,"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/comments?post=92960"}],"version-history":[{"count":0,"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/posts\/92960\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/media\/93183"}],"wp:attachment":[{"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/media?parent=92960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/categories?post=92960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/centcols.org\/en\/wp-json\/wp\/v2\/tags?post=92960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}