Thompson Peak (Idaho)

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Thompson Peak
Thompson Peak3.JPG
Thompson Peak from near Stanley
Highest point
Elevation 10,751 ft (3,277 m)  NAVD 88[1]
Prominence 2,431 ft (741 m) [2]
Coordinates 44°08′30″N 115°00′36″W / 44.14153325°N 115.009968511°W / 44.14153325; -115.009968511Coordinates: 44°08′30″N 115°00′36″W / 44.14153325°N 115.009968511°W / 44.14153325; -115.009968511[1]
Thompson Peak is located in Idaho
Thompson Peak
Thompson Peak
Parent range Sawtooth Range
Topo map USGS Stanley Lake
Easiest route Scramble, class 3

Thompson Peak, at 10,751 feet (3,277 m) above sea level is the highest peak in the Sawtooth Range of Idaho. The summit of Thompson Peak is located within Custer County, although some of the lower portion of the mountain is in Boise County. Thompson Peak is also located within the Sawtooth Wilderness portion of the Sawtooth National Recreation Area, a unit of Sawtooth National Forest. The town of Stanley, Idaho is about 6 miles (9.7 km) northeast of Thompson Peak.[3]

Redfish Lake, Little Redfish Lake, and the visitor services at these locations are only a few miles from Thompson Peak. Directly to the north is neighboring Williams Peak, while Mickey's Spire is 0.24 miles (0.39 km) to the south-southwest.

There are a total of four routes to the top of Thompson Peak: South Couloir - class 3, Southwest Couloir - 5.2, Northeast Face - 5.8, West Crack - 5.2. The easiest way to access Thompson Peak is from the Redfish Lake trailhead and to take the Fishhook Creek Trail to the Alpine Way Trail. From there, follow the Alpine Way Trail to the base of Williams Peak before going off trail up to an unnamed lake to the northeast of Thompson Peak. Then, head up to the saddle between Thompson and Williams Peaks before making the class 3 scramble on the west-southwest side of the peak that begins on the Thompson-Mickey's Spire saddle.


  1. ^ a b "Goat". NGS data sheet. U.S. National Geodetic Survey. Retrieved 2010-02-15. 
  2. ^ "Thompson Peak, Idaho". Retrieved 2010-02-15. 
  3. ^ Sawtooth National Forest. “Sawtooth National Forest” [map].1:126,720, 1”=2 miles. Twin Falls, Idaho: Sawtooth National Forest, United States Forest Service, 1998.

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