Le Couloir Basset 12

19.92 km loop hiking starting from Oyonnax.

This hike includes 5 significant climbs. With a total elevation gain of 1028 m across 11.80 km, with an average slope of 8.7%.

• Climb 1 (at km 2.45 km): +210 m over 2.30 km, average slope 9.1%
• Climb 2 (at km 7.12 km): +179 m over 1.84 km, average slope 9.7%
• Climb 3 (at km 17.08 km): +246 m over 2.80 km, average slope 8.8%
• Climb 4 (at km 25.83 km): +191 m over 3.16 km, average slope 6.0%
• Climb 5 (at km 35.73 km): +202 m over 1.70 km, average slope 11.9%