Boucle du Grand Som

Name: Boucle du Grand Som
Address: La Correrie, Saint-Pierre-de-Chartreuse, 38380, FRANCE
Location: Address

Sport, Pedestrian sports, Hiking itinerary in Saint-Pierre-de-Chartreuse

15.8 km

Very difficult

A loop at the foot of the Grand Som and around the
the Grande Chartreuse monastery, via the summit of the Petit Som
and Notre Dame de Casalibus. Possibility of completing the loop
to the summit of Grand Som and back.
The path starts at the end of the parking lot. Follow the GR9 (white and red markings) towards «Habert de
Bovinant». Take the path that immediately leaves the track on the right (1). At Habert de Bovinant follow
«Le Grand Som» (2). From here, the route is an out-and-back. At the Col de Bovinant, turn right and follow the yellow
markings to the summit (2 h for the round trip, with a few technical sections). For the descent, return to «Habert
de Bovinant». At Habert de Bovinant, follow... Read more
The path starts at the end of the parking lot. Follow the GR9 (white and red markings) towards «Habert de
Bovinant». Take the path that immediately leaves the track on the right (1). At Habert de Bovinant follow
«Le Grand Som» (2). From here, the route is an out-and-back. At the Col de Bovinant, turn right and follow the yellow
markings to the summit (2 h for the round trip, with a few technical sections). For the descent, return to «Habert
de Bovinant». At Habert de Bovinant, follow «Petit Som» (3) and Col de la Ruchère (for an easier, more direct descent,
follow Bourdoire, Le Réservoir and Habert de Chartroussette). At Col de la Ruchère (4), follow «Bourdoire».
At Bourdoire (5), follow «Le Réservoir». From the «Notre Dame de Casalibus» sign, you can go to the Chapelle St
Bruno and back. At «le Réservoir» (6), follow «Habert de Chartroussette». At Habert de Chartroussette (7), follow
«La Correrie».

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Guidebook with maps/step-by-step

The path starts at the end of the parking lot. Follow the GR9 (white and red markings) towards «Habert de
Bovinant». Take the path that immediately leaves the track on the right (1). At Habert de Bovinant follow
«Le Grand Som» (2). From here, the route is an out-and-back. At the Col de Bovinant, turn right and follow the yellow
markings to the summit (2 h for the round trip, with a few technical sections). For the descent, return to «Habert
de Bovinant». At Habert de Bovinant, follow «Petit Som» (3) and Col de la Ruchère (for an easier, more direct descent,
follow Bourdoire, Le Réservoir and Habert de Chartroussette). At Col de la Ruchère (4), follow «Bourdoire».
At Bourdoire (5), follow «Le Réservoir». From the «Notre Dame de Casalibus» sign, you can go to the Chapelle St
Bruno and back. At «le Réservoir» (6), follow «Habert de Chartroussette». At Habert de Chartroussette (7), follow
«La Correrie».

Departure

Saint-Pierre-de-Chartreuse
Difference in height

1290.53 m
Plain text period

From 01/05 to 31/10.

Subject to favorable weather.
Spoken languages
Documentation
- Topo de la randonnée
- Trace GPX - Boucle du Grand Som
GPX / KML files allow you to export the trail of your hike to your GPS (or other navigation tool)