Foss Mountain

Elevation: 9,190 ft
Prominence: 210

Access and climbing information for this peak is on Page 307 of the book.


Foss Mountain, named by miners, sits west of the Lemhi Crest. A mining road leads from the valley nearly to the summit. It was in terrible shape for driving in 1981 and has likely deteriorated with the passing of time. The road provides trail-like access at a minimum for a high start if you are interested in reaching the main Lemhi crest between Bell Mountain and Diamond Peak. USGS Bell Mountain

Access

I drove nearly to the summit in 1980 and 1981 with a rugged Jeep CJ7. I doubt that I would try it today.

Routes

Class 1 via the road. See Page 307.

Class 2 from Peak 10681.

Larry Prescott climbed the peak on an epic 13-mile, 7,300-foot gain, 6-peak day, which saw him traverse the connecting ridge from Peak 10681. See Larry’s trip report: Lemhi Enchainment, Little Sister to Foss Mountain.

Foss Mountain. Larry Prescott Photo

Foss Mountain. Larry Prescott Photo

Larry Prescott reported he shaved distance of his descent by dropping off this slope. Larry Prescott Photo

Larry Prescott reported he shaved distance of his descent by dropping off this slope. Larry Prescott Photo

The summit of Foss Mountain. The large downed tree is the high point. Livingston Douglas Photo

The summit of Foss Mountain. The large downed tree is the high point. Livingston Douglas Photo

Foss Mountain as viewed from the sagebrush at the mouth of the canyon WSW of the peak. The right hump is the summit. The left hump is a bump on the West Ridge. Livingston Douglas Photo

Foss Mountain as viewed from the sagebrush at the mouth of the canyon WSW of the peak. The right hump is the summit. The left hump is a bump on the West Ridge. Livingston Douglas Photo

Additional Resources

Mountain Range: Lemhi Range

Year Climbed: 1980, 1981

Longitude: -113.18309   Latitude: 44.1929

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