Orange County, California, United States
20.1 miles (32.4 km) · 3,138 ft elevation gain · Loop · trail · Route
| Distance | 20.1 mi (32.4 km) |
| Elevation gain | 3,138 ft (957 m) |
| Average gain | 156 ft per mile (30 m per km) |
| Longest climb | 10.0 mi, 2,647 ft of gain |
| Steepest climb grade | 19.8% |
| Runnable | 71% of the route |
| Climbs / descents | 1 climbs, 1 descents |
| Profile shape | Up, then down |
| Difficulty score | 9.5 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 13% |
| Mild uphill | 21% |
| Moderate uphill | 12% |
| Steep uphill | 9% |
| Mild downhill | 23% |
| Moderate downhill | 13% |
| Steep downhill | 7% |
Horsetrough Spring via Black Star Canyon Road (CA) has 3,138 ft (957 m) of elevation gain over 20.1 miles (32.4 km). That averages 156 ft of gain per mile.
The difficulty score for Horsetrough Spring via Black Star Canyon Road (CA) is 9.5 of 100. That is harder than 72.8% of routes at a similar distance. About 71% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Horsetrough Spring via Black Star Canyon Road (CA) runs 10.0 miles (16.2 km) and gains 2,647 ft (807 m). The steepest climb grade on the route is 19.8%.
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