Custer County, Idaho, United States
56.2 miles (90.5 km) · 11,701 ft elevation gain · Point to Point · trail · Route
The heart of the Sawtooths! covers 56.2 miles across Custer County, Idaho, United States. Runners face 11,726 feet of climbing with 11,201 feet of loss. The most significant ascent covers 10.2 miles and gains 1,089 feet. Vertical rate measures 211 feet of gain per mile. The course is 56% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. Technical difficulty: mountainous. This route ranks at the 94.9th percentile for difficulty among similar distances. Popular among trail runners and hikers seeking Idaho adventures.
| Distance | 56.2 mi (90.5 km) |
| Elevation gain | 11,701 ft (3,567 m) |
| Average gain | 208 ft per mile (39 m per km) |
| Longest climb | 25.2 mi, 2,536 ft of gain |
| Steepest climb grade | 31% |
| Runnable | 55% of the route |
| Climbs / descents | 5 climbs, 5 descents |
| Profile shape | Down, then up |
| Difficulty score | 16.3 of 100 |
| Surface | trail |
| Route shape | Point to Point |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 14% |
| Mild uphill | 16% |
| Moderate uphill | 16% |
| Steep uphill | 15% |
| Mild downhill | 11% |
| Moderate downhill | 15% |
| Steep downhill | 14% |
The heart of the Sawtooths! has 11,701 ft (3,567 m) of elevation gain over 56.2 miles (90.5 km). That averages 208 ft of gain per mile.
The difficulty score for The heart of the Sawtooths! is 16.3 of 100. That is harder than 85.7% of routes at a similar distance. About 55% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on The heart of the Sawtooths! runs 25.2 miles (40.6 km) and gains 2,536 ft (773 m). The steepest climb grade on the route is 31%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
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