Nantua, Auvergne-Rhône-Alpes, France
10.1 miles (16.3 km) · 2,297 ft elevation gain · Loop · trail · Route
Tour d'Horizon is a 10.1-mile loop route in Nantua, Auvergne-Rhône-Alpes, France, gaining 2,297 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 4.4 miles gaining 1,627 feet at an average 6.5% grade. About 58% of the terrain is runnable, with significant hiking sections. The route opens with flat terrain and finishes with a descent.
| Distance | 10.1 mi (16.3 km) |
| Elevation gain | 2,297 ft (700 m) |
| Average gain | 227 ft per mile (43 m per km) |
| Longest climb | 4.4 mi, 1,491 ft of gain |
| Steepest climb grade | 35.6% |
| Runnable | 58% of the route |
| Climbs / descents | 2 climbs, 2 descents |
| Profile shape | Up, then down |
| Difficulty score | 11.3 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 17% |
| Mild uphill | 12% |
| Moderate uphill | 7% |
| Steep uphill | 19% |
| Mild downhill | 17% |
| Moderate downhill | 12% |
| Steep downhill | 16% |
Tour d'Horizon has 2,297 ft (700 m) of elevation gain over 10.1 miles (16.3 km). That averages 227 ft of gain per mile.
The difficulty score for Tour d'Horizon is 11.3 of 100. That is harder than 74.1% of routes at a similar distance. About 58% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Tour d'Horizon runs 4.4 miles (7.0 km) and gains 1,491 ft (455 m). The steepest climb grade on the route is 35.6%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
View Full Route Details →