Idaho trails · Crestline

Crestline

A 13.3-mile network in Idaho, with 1,292 ft of climbing. Reaches Crestline Lake and other lake destinations. Managed by the U.S. Forest Service.

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Length

13.3 mi

Elevation gain

1,292 ft

Difficulty

Expert

Max grade

29%

Steepest mile

+824 ft

Tread at ≥10% grade

5.0 mi

Shape

network

Bikes

yes

Horses

yes

Managed by

U.S. Forest Service

Elevation profile

The climbing is spread fairly evenly along the route. It gives back about 2,652 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Reaches

Crestline Lake (lake)
Heart Lake (lake)
Teardrop Lake (lake)
Black Lake (lake)
Blackwell Lake (lake)

Getting there

Crestline access — parking nearby. 45.08883, -115.99173 · directions

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 7:28 a.m., the sun rises at 7:58 a.m. and sets at 7:00 p.m., and the last usable light fades about 7:30 p.m. (MDT) — 11 h 03 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 13.3-mile route takes roughly 5 h 34 min, so leaving the trailhead at sunrise puts you back around 1:32 p.m. — 5 h 29 min before sunset.