Parc naturel régional Vallée de la Rance - Côte d'Émeraude, Bretagne, France
11.5 miles (18.5 km) · 806 ft elevation gain · Loop · trail · Route
Le Barrage du Bois-Joli is a 11.5-mile loop route in Parc naturel régional Vallée de la Rance - Côte d'Émeraude, Bretagne, France, gaining 806 feet of elevation. The route follows a valley-shaped elevation profile. The terrain breaks into 3 distinct sections including 1 significant climb. The longest climb covers 5.4 miles gaining 506 feet at an average 0.8% grade. Nearly the entire route is runnable at a steady effort. The route opens with a descent and finishes with flat terrain.
| Distance | 11.5 mi (18.5 km) |
| Elevation gain | 806 ft (246 m) |
| Average gain | 70 ft per mile (13 m per km) |
| Longest climb | 5.4 mi, 228 ft of gain |
| Steepest climb grade | 9.4% |
| Runnable | 95% of the route |
| Climbs / descents | 1 climbs, 1 descents |
| Profile shape | Down, then up |
| Difficulty score | 1.9 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 29% |
| Mild uphill | 32% |
| Moderate uphill | 3% |
| Steep uphill | 1% |
| Mild downhill | 29% |
| Moderate downhill | 6% |
| Steep downhill | 1% |
Le Barrage du Bois-Joli has 806 ft (246 m) of elevation gain over 11.5 miles (18.5 km). That averages 70 ft of gain per mile.
The difficulty score for Le Barrage du Bois-Joli is 1.9 of 100. That is harder than 22.5% of routes at a similar distance. About 95% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Le Barrage du Bois-Joli runs 5.4 miles (8.7 km) and gains 228 ft (69 m). The steepest climb grade on the route is 9.4%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
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