Brimstone Basin
Basin in Park County, Wyoming · on the USGS Sylvan Lake quadrangle
44.38800, -110.21686
Maps that show Brimstone Basin
Get them in the map app
Sylvan Lake, WY
USGS topo, 2021
Eagle Peak, WY
USGS historical 15-minute topo (1959)
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
Name, class, county and location: USGS Geographic Names Information System (public domain).