Rock Island 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 459 along Johnson Creek.[1]

Quick Facts Location, Coordinates ...
Rock Island Lake
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Location of Rock Island Lake in Idaho, USA.
Rock Island Lake
Thumb
Location of Rock Island Lake in Idaho, USA.
Rock Island Lake
LocationElmore County, Idaho
Coordinates43°57′27″N 115°07′51″W
TypeGlacial
Primary outflowsJohnson Creek to Middle Fork Boise River
Basin countriesUnited States
Max. length0.19 mi (0.31 km)
Max. width0.17 mi (0.27 km)
Surface elevation8,555 ft (2,608 m)
Islands1
Close

Rock Island Lake is in the Sawtooth Wilderness, and a wilderness permit can be obtained at a registration box at trailheads or wilderness boundaries. There is a single rocky island that is less than 200 ft (61 m) long that gives the lake its name.

References

See also

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