Charmant Som summit
The Charmant Som (1867m) is one of the three peaks that tower over St Pierre de Chartreuse, but it is the most accessible, especially for familIes, and there is a stunning view from the top.
Things to see / do in the vicinity of the route:
- Petits Jardiniers (10km from the starting point): medicinal plant farm.
- Fleurs de Lyne (15km from the starting point): artisanal soap factory.
- Museé de la Grande Chartreuse (16km from the starting point): audio tour.
For more information and suggestions of things to see, visit chartreuse-tourisme.com/rsf
Route details
The Charmant Som is also the most easily accessible peak (see alternative) and the last Alpine pasture in Isère that still producces and sells its cheese on site.
From the lodge car park, take the 'Grande Randonnée' path (French Hiking Route) through the pasture. Before you reach the other slope, turn left onto the ridge until you reach the summit cross (follow the paths made by previous hikers).
The descent follows the same route in reverse.
Opening
From 16/05 to 17/11 daily.
Subject to favorable weather.
Go there
Latitude : 45.319318
Longitude : 5.756571
Height : 1670
38380 Saint-Pierre-de-Chartreuse
Go there
Parking au pied de l'alpage et de l'auberge.
Information updated on 27/03/2026
by Chartreuse Tourisme