![](/images/other/stat-length.png)
![Trail Walking Saint-Pierre-d'Entremont - Le Grand Som - Photo](https://media.geolcdn.com/t/1900/400/ext.pjpeg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1553511878bg_sport_marche.png)
Le Grand Som
Phil36
User
![Length](/images/other/stat-length.png)
Length
8.4 km
![Max alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_max_24dp.png)
Max alt
2014 m
![Uphill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_pos_24dp.png)
Uphill gradient
873 m
![Km-Effort](/images/other/stat-length.png)
Km-Effort
20 km
![Min alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_min_24dp.png)
Min alt
1148 m
![Downhill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_neg_24dp.png)
Downhill gradient
873 m
![Boucle](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Boucle
Yes
Creation date :
2018-04-17 22:44:44.425
Updated on :
2018-04-17 22:44:44.425
![Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
4h03
Difficulty : Very difficult
![Scan this QR Code to open this trail in the SityTrail application](https://capi.geolives.com/qq0zvz2zws4bq2lad0pu/sitytour/trails/929012/qr.png?size=200)
FREE GPS app for hiking
About
Trail Walking of 8.4 km to be discovered at Auvergne-Rhône-Alpes, Isère, Saint-Pierre-d'Entremont. This trail is proposed by Phil36.
Description
Le grand Som (2026m) domine le monastère de la Grande Chartreuse de ses majestueuses falaises et crêtes acérées. Au sommet,, une table panoramique en relief accompagne la lecture du paysage.
Positioning
Country:
France
Region :
Auvergne-Rhône-Alpes
Department/Province :
Isère
Municipality :
Saint-Pierre-d'Entremont
Location:
Unknown
Start:(Dec)
Start:(UTM)
721943 ; 5027459 (31T) N.
Comments
Trails nearby
![Trail Snowshoes Saint-Christophe-sur-Guiers - Le Belvédère d'Arpison - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D699429%26Media%3Dfix__20170216145739.jpg)
![Snowshoes Snowshoes](https://static1.geolcdn.com/sitytour/trail-icons/504.png)
Le Belvédère d'Arpison
Snowshoes
Medium
(1)
Saint-Christophe-sur-Guiers,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
11.1 km | 17.4 km-effort
4h 43min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Pierre-d'Entremont - Le Grand Som 2026m, depuis Saint-Philibert - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D107472%26Media%3D12415_1.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Le Grand Som 2026m, depuis Saint-Philibert
Walking
Difficult
(1)
Saint-Pierre-d'Entremont,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
11.2 km | 25 km-effort
7h 0min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Pierre-de-Chartreuse - Les haberts du Désert de Chartreuse - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D101549%26Media%3D1655_1.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Les haberts du Désert de Chartreuse
Walking
Medium
(1)
Saint-Pierre-de-Chartreuse,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
10.9 km | 21 km-effort
5h 0min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Christophe-sur-Guiers - Petit Som 1772m, depuis La Ruchère - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D101428%26Media%3D1421_1.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Petit Som 1772m, depuis La Ruchère
Walking
Medium
(2)
Saint-Christophe-sur-Guiers,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
6 km | 13.2 km-effort
3h 30min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Christophe-sur-Guiers - 38 grand som par sente intermediaire - Photo](https://media.geolcdn.com/t/375/260/d5932087-ede9-44fd-a20e-8bcb7625b7eb.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
38 grand som par sente intermediaire
Walking
Medium
Saint-Christophe-sur-Guiers,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
14.5 km | 28 km-effort
7h 11min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Pierre-de-Chartreuse - pas de rochebrune et de rocheplane - Photo](https://media.geolcdn.com/t/375/260/643b9872-5358-4c95-b9d7-43cb72f88471.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
pas de rochebrune et de rocheplane
Walking
Difficult
Saint-Pierre-de-Chartreuse,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
13.2 km | 26 km-effort
5h 32min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Pierre-de-Chartreuse - tour de la Dent de crolles par des sangles - Photo](https://media.geolcdn.com/t/375/260/9e1abd5a-85a3-461c-ab6a-25f1470ccefa.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
tour de la Dent de crolles par des sangles
Walking
Very difficult
Saint-Pierre-de-Chartreuse,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
18.3 km | 38 km-effort
7h 35min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Touring skiing Saint-Christophe-sur-Guiers - Col de mauvernay, de Bovinant, du Frêt et Petit Som - Photo](https://media.geolcdn.com/t/375/260/419264db-ef9b-4542-9a8f-6ba6585137b1.jpg&format=jpg&maxdim=2)
![Touring skiing Touring skiing](https://static1.geolcdn.com/sitytour/trail-icons/503.png)
Col de mauvernay, de Bovinant, du Frêt et Petit Som
Touring skiing
Medium
Saint-Christophe-sur-Guiers,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
12 km | 29 km-effort
6h 2min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Pierre-de-Chartreuse - Dent de Crolles depuis Perquelin - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1553511878bg_sport_marche.png)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Dent de Crolles depuis Perquelin
Walking
Difficult
(1)
Saint-Pierre-de-Chartreuse,
Auvergne-Rhône-Alpes,
Isère,
France
![](/images/other/stat-length.png)
12.7 km | 28 km-effort
6h 19min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes