Col de la Chaudière: a hairpinned paved road to the summit
Col de la Chaudière is a mountain pass at an elevation of 1.047m (3,435ft) above the sea level, located in the Drôme department in southeastern France
The road to the summit is paved but in bad conditions. It’s called D156. The pass is 22.5 km long, running north-south from Saillans to Bourdeaux. It’s narrow, steep and with little traffic. Expect plenty of hairpins and views.
The road is pretty steep, hitting a 10.0% through some of the corners. Starting from Bourdeaux, the ascent is 11.6 km long. Over this distance, the elevation gain is 637 meters. The average percentage is 5.5 %. And starting from Saillans, the ascent is 11.5 km long. Over this distance, the elevation gain is 773 meters. The average percentage is 6.7 %