The Col du Cucheron, culminating at 1139 m above sea level, is one of the points of the long depression of the "three passes" of the Chartreuse massif linking Saint-Pierre-de-Chartreuse south to Saint-Pierre d'Entremont north.

Col du Cucheron
View from the col du Cucheron, in direction of Saint-Pierre-d'Entremont
Elevation1,139 m (3,737 ft)
Traversed byD512
LocationIsère, France
RangeAlps
Coordinates45°21′56″N 5°50′04″E / 45.36556°N 5.83444°E / 45.36556; 5.83444
Col du Cucheron is located in France
Col du Cucheron
Col du Cucheron
Location of Col du Cucheron

Hence, it lies between the Grand Som west and the Lances de Malissard east.