Otter Lake
Lake in Carbon County, Montana · on the USGS Castle Mountain quadrangle
45.05350, -109.74256
Maps that show Otter Lake
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Castle Mountain, MT-WY
USGS topo, 2024
Alpine, MT
USGS historical 15-minute topo (1956)
IFR Enroute Low Altitude Chart L-11 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).