Col des Mille Martyrs - mountain pass
Col des Mille Martyrs, north of the Chartreuse, is an easy ascent with a beautiful view of the massif.
The route is quiet and ideal for cyclists.
Route details
Take the D28 from Saint-Geoire-en-Valdaine near the cemetery to Col de la Croix des Mille Martyrs.
Opening
All year round daily.
Subject to favorable weather.
Discover more
Go there
Latitude : 45.45293
Longitude : 5.640231
Height : 411
route des Mille Martyrs
38620 Saint-Geoire-en-Valdaine
Go there
A TER line serves Voiron station.
The start of the Col des Mille Martyrs climb is around 15km away.
Information updated on 24/08/2026
by Isère Attractivité