Le Couloir Basset 12

Oyonnax, Auvergne-Rhône-Alpes, France

19.0 miles (30.6 km) · 3,123 ft elevation gain · Loop · trail · Route

Le Couloir Basset 12 is a 19.0-mile loop route in Oyonnax, Auvergne-Rhône-Alpes, France, gaining 3,123 feet of elevation. The route follows a front-loaded elevation profile, finishing 178 feet higher than it starts. The terrain breaks into 5 distinct sections including 2 significant climbs. The longest climb covers 3.8 miles gaining 1,089 feet at an average 5.1% grade. Approximately 74% of the route is runnable at a steady effort. The route opens with mixed terrain and finishes with a climb.