Col de Chalais
Col de Chalais is a mountain pass at an elevation of 930m (3,051ft) above the sea level, located in the Isère department in southeastern France. The road to the summit is very steep.
The winding forest road to the summit is asphalted. It’s called Route de Chalais, and is pretty narrow. It’s often snow-covered in winter. The road ends near the Monastère de Chalais, also called Châlais-sur-Voreppe or Notre-Dame de Châlais, a Dominican convent at 940m above the sea level.
Starting from Voreppe, the road to the summit is 6.7 km long. Over this distance the elevation gain is 736 meters, and the average percentage is 11 %.