Grass Ridge
- 12.5 mi
- round trip
- 3,559 ft
- climb
- 8,096 ft
- high point
- Out and back
- route
Is Grass Ridge open right now?
Alert in the area
The Forest Service lists 4 alerts for Bitterroot National Forest.
Pile burning on West Fork Ranger and Darby-Sula Districts Nov. 3
Agency alert covering Bitterroot National Forest · USFS · Bitterroot National Forest
Pile burning on West Fork Ranger District end of October
Agency alert covering West Fork Ranger District · USFS · West Fork Ranger District
Pile burning on West Fork Ranger District Oct. 26
Agency alert covering West Fork Ranger District · USFS · West Fork Ranger District
Two Prescribed Burns Planned for the week of Oct. 5 - Piquett Creek & Cameron Gap
Agency alert covering Bitterroot National Forest · USFS · Bitterroot National Forest
As of · Source: USFS · Bitterroot National Forest. Agencies don't list every closure — check before you go.
Grass Ridge is a hard hike in Idaho's Frank Church-River of No Return Wilderness, on the West Fork Ranger District of the Bitterroot National Forest. The Forest Service manages the land, and the trail starts just 0.4 miles from the community of Upper Crossing. The route is out and back, covering about 12.5 miles with a one-way elevation gain of 3,559 feet. The climb starts from a low point of about 4,531 feet and reaches a high of about 8,096 feet. For a longer outing, the Selway River is about a mile away for paddling, and the Langdon Point and Grass-Lunch hikes lie within about 2 miles. For an overnight stay, Magruder Rangers House campground is about 4.5 miles off.
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Route details
- Distance
- 12.5 mi round trip
- Climbing
- About 3,559 ft
- Summit
- 8,116 ft
- Difficulty
- Hard
Questions about this route
How long is the Grass Ridge on Hells Half Acre Mountain?
About 12.5 mi round trip.
How much elevation gain is on the Grass Ridge?
About 3,559 ft of climbing round trip.
How hard is the Grass Ridge?
It is rated hard.
Conditions and forecast on Hells Half Acre Mountain
Daily highs and lows, wind and the chance of precipitation at the summit and route start for the next 7 days, from the Open-Meteo model.