Triangle Lake (Idaho)

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Triangle Lake
Location Elmore County, Idaho
Coordinates 43°55′37″N 115°09′01″W / 43.926964°N 115.150203°W / 43.926964; -115.150203Coordinates: 43°55′37″N 115°09′01″W / 43.926964°N 115.150203°W / 43.926964; -115.150203
Type Glacial
Primary outflows Little Queens River to Middle Fork Boise River
Basin countries United States
Max. length 0.23 mi (0.37 km)
Max. width 0.17 mi (0.27 km)
Surface elevation 8,275 ft (2,522 m)

Triangle Lake is a small alpine lake in Elmore County, Idaho, United States, located in the Sawtooth Mountains in the Sawtooth National Recreation Area. The lake is accessed from Sawtooth National Forest trail 454 along the Little Queens River.[1]

Triangle Lake is in the Sawtooth Wilderness, and a wilderness permit can be obtained at a registration box at trailheads or wilderness boundaries. Diamond Lake is 0.15 mi (0.24 km) west of Triangle Lake, although it is over a ridge and in a separate sub-basin.

See also[edit]


  1. ^ Sawtooth National Forest. “Sawtooth National Forest” [map].1:126,720, 1”=2 miles. Twin Falls, Idaho: Sawtooth National Forest, United States Forest Service, 1998.