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.
| Distance | 19.0 mi (30.6 km) |
| Elevation gain | 3,123 ft (952 m) |
| Average gain | 164 ft per mile (31 m per km) |
| Longest climb | 8.2 mi, 1,056 ft of gain |
| Steepest climb grade | 19.6% |
| Runnable | 74% of the route |
| Climbs / descents | 2 climbs, 2 descents |
| Profile shape | Front-loaded climb |
| Difficulty score | 8.1 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 22% |
| Mild uphill | 29% |
| Moderate uphill | 7% |
| Steep uphill | 9% |
| Mild downhill | 16% |
| Moderate downhill | 7% |
| Steep downhill | 10% |
Le Couloir Basset 12 has 3,123 ft (952 m) of elevation gain over 19.0 miles (30.6 km). That averages 164 ft of gain per mile.
The difficulty score for Le Couloir Basset 12 is 8.1 of 100. That is harder than 61.3% of routes at a similar distance. About 74% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Le Couloir Basset 12 runs 8.2 miles (13.2 km) and gains 1,056 ft (322 m). The steepest climb grade on the route is 19.6%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
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