L'Arche de la Combe de L'Homme (Drôme county). This arch is located on the cliff opposite to "L'Arche de Pommerol" and can be seen on the photo about this arch. There is no trail to get to but the arch work the effort to visit. The best approach is to hike along the creek northwest 400 meters up hill then climbing the strenous talus slope to the arch (20 minutes from the road). The arch has 16.5 meters span and 20 meters hight.