Parc naturel régional des Volcans d'Auvergne, Auvergne-Rhône-Alpes, France
10.5 miles (16.9 km) · 1,525 ft elevation gain · Loop · trail · Route
Le Lac de Bourdouze is a 10.5-mile loop route in Parc naturel régional des Volcans d'Auvergne, Auvergne-Rhône-Alpes, France, gaining 1,525 feet of elevation. The route follows a valley-shaped elevation profile. The terrain breaks into 5 distinct sections including 3 significant climbs. The longest climb covers 3.0 miles gaining 866 feet at an average 6.8% grade. Approximately 75% of the route is runnable at a steady effort. The route both opens and finishes with a climb.
| Distance | 10.5 mi (16.9 km) |
| Elevation gain | 1,525 ft (465 m) |
| Average gain | 145 ft per mile (28 m per km) |
| Longest climb | 3.0 mi, 842 ft of gain |
| Steepest climb grade | 25.9% |
| Runnable | 75% of the route |
| Climbs / descents | 3 climbs, 2 descents |
| Profile shape | Down, then up |
| Difficulty score | 8.1 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 14% |
| Mild uphill | 33% |
| Moderate uphill | 6% |
| Steep uphill | 9% |
| Mild downhill | 21% |
| Moderate downhill | 6% |
| Steep downhill | 10% |
Le Lac de Bourdouze has 1,525 ft (465 m) of elevation gain over 10.5 miles (16.9 km). That averages 145 ft of gain per mile.
The difficulty score for Le Lac de Bourdouze is 8.1 of 100. That is harder than 61.4% of routes at a similar distance. About 75% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Le Lac de Bourdouze runs 3.0 miles (4.9 km) and gains 842 ft (257 m). The steepest climb grade on the route is 25.9%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
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