Twin Peaks, ID — USGS historical 15-minute topo (1956)
by USGS Historical Topo Maps (public domain) · Idaho, US
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Older edition. This is the 1956 edition from the U.S. Geological Survey. A newer one may have been published since; check the agency's page for current rules and routes before relying on it.

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Where this map covers
Named places on this map
20 named features inside the Twin Peaks, ID — USGS historical 15-minute topo (1956) sheet, from the USGS Geographic Names Information System. Each one links to every map that shows it.
Peaks and ridges
Lakes, springs and falls
- Eddy Lake · lake
- Fourth Spring · spring
- Mosquito Flat Reservoir · reservoir
- Slab Barn Lake · lake
- Spruce Gulch Lake · lake
- Third Spring · spring
- Twin Creek Lakes · lake
- West Fork Lakes · lake
- White Goat Lake · lake
Gaps, arches and other landforms
- Camas Meadows · flat
- Eddy Basin · basin
- Jeffs Flats · flat
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
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Version history
Version 1 · Nov 4, 2026 · 10.2 MB