Claveyson, Auvergne-Rhône-Alpes, France
12.8 miles (20.5 km) · 1,751 ft elevation gain · Loop · trail · Route
Boucle 88 is a 12.8-mile loop route in Claveyson, Auvergne-Rhône-Alpes, France, gaining 1,751 feet of elevation. The route follows a up-and-over elevation profile. The terrain breaks into 5 distinct sections including 2 significant climbs. The longest climb covers 4.2 miles gaining 860 feet at an average 4.2% grade. Approximately 80% of the route is runnable at a steady effort. The route opens with a climb and finishes with flat terrain.
| Distance | 12.8 mi (20.5 km) |
| Elevation gain | 1,751 ft (534 m) |
| Average gain | 137 ft per mile (26 m per km) |
| Longest climb | 4.2 mi, 528 ft of gain |
| Steepest climb grade | 17.8% |
| Runnable | 80% of the route |
| Climbs / descents | 2 climbs, 2 descents |
| Profile shape | Up, then down |
| Difficulty score | 5.9 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 14% |
| Mild uphill | 32% |
| Moderate uphill | 7% |
| Steep uphill | 6% |
| Mild downhill | 20% |
| Moderate downhill | 15% |
| Steep downhill | 7% |
Boucle 88 has 1,751 ft (534 m) of elevation gain over 12.8 miles (20.5 km). That averages 137 ft of gain per mile.
The difficulty score for Boucle 88 is 5.9 of 100. That is harder than 49% of routes at a similar distance. About 80% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Boucle 88 runs 4.2 miles (6.8 km) and gains 528 ft (161 m). The steepest climb grade on the route is 17.8%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
View Full Route Details →