All Mountain Ranges
Mountain Range
hard

Grass Mountains

Idaho

Elevation Range

7,500 ft - 9,847 ft

Notable Peaks

3

Coordinates

45.1635, -116.1967

About Grass Mountains

The Grass Mountains are a small, rugged mountain range located in eastern Idaho. Characterized by steep, rocky slopes and deep forested valleys, this range offers a challenging and remote wilderness experience. The terrain is primarily granite and limestone, with jagged peaks and dramatic cliff faces. Numerous alpine lakes and meadows dot the landscape, providing scenic destinations for hikers and backpackers. Wildlife in the Grass Mountains includes black bears, mountain lions, bighorn sheep, and a variety of birds and small mammals.

Notable Peaks

Mount Merlin

9,847 ft

Granite Peak

9,524 ft

Lone Pine Peak

9,108 ft

Activities

hiking
backpacking
camping
wildlife viewing
fishing

Best Seasons

summer

fall

Plan Your Trip

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Gateway Towns

Mackay, ID
Challis, ID

Location

Idaho

45.1635, -116.1967

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Data Source

Geographic data from USGS Geographic Names Information System (GNIS). Descriptions generated with AI assistance.

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