Parc naturel régional du Gâtinais français, France
10.0 miles (16.1 km) · 748 ft elevation gain · Loop · trail · Route
La vallée de Boissy-aux-Cailles is a 10.0-mile loop route in Parc naturel régional du Gâtinais français, France, gaining 748 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 2.3 miles gaining 223 feet at an average 1.0% grade. Approximately 88% of the route is runnable at a steady effort. The route opens with a descent and finishes with a gradual climb.
| Distance | 10.0 mi (16.1 km) |
| Elevation gain | 748 ft (228 m) |
| Average gain | 75 ft per mile (14 m per km) |
| Longest climb | 3.9 mi, 197 ft of gain |
| Steepest climb grade | 12.8% |
| Runnable | 88% of the route |
| Climbs / descents | 2 climbs, 2 descents |
| Profile shape | Up, then down |
| Difficulty score | 3.3 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 33% |
| Mild uphill | 30% |
| Moderate uphill | 6% |
| Steep uphill | 2% |
| Mild downhill | 20% |
| Moderate downhill | 6% |
| Steep downhill | 4% |
La vallée de Boissy-aux-Cailles has 748 ft (228 m) of elevation gain over 10.0 miles (16.1 km). That averages 75 ft of gain per mile.
The difficulty score for La vallée de Boissy-aux-Cailles is 3.3 of 100. That is harder than 31.7% of routes at a similar distance. About 88% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on La vallée de Boissy-aux-Cailles runs 3.9 miles (6.3 km) and gains 197 ft (60 m). The steepest climb grade on the route is 12.8%.
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