All Mountain Ranges
Mountain Range
moderate

Three Brothers Mountains

Wyoming

Elevation Range

8,500 ft - 11,400 ft

Notable Peaks

3

Coordinates

44.6304, -110.8877

About Three Brothers Mountains

The Three Brothers Mountains are a small mountain range located in western Wyoming, just south of Yellowstone National Park. The range is characterized by steep, rugged peaks and deep valleys carved by glaciers. The terrain is primarily alpine, with rocky outcrops, talus slopes, and scattered alpine meadows. The mountains are home to a variety of wildlife, including bighorn sheep, elk, and pronghorn antelope.

Notable Peaks

Mount Noel

11,398 ft

Mount Sibley

11,202 ft

Mount Washburn

10,243 ft

Activities

hiking
backpacking
mountaineering
rock climbing
wildlife viewing

Best Seasons

summer

fall

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Gateway Towns

Dubois, WY
Lander, WY

Location

Wyoming

44.6304, -110.8877

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Data Source

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

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