Portner Reservoir
Reservoir in Larimer County, Colorado · on the USGS Fort Collins quadrangle
40.50467, -105.06315
Maps that show Portner Reservoir
Get them in the map app
Fort Collins, CO
USGS topo, 2022
Fort Collins, CO
USGS historical 15-minute topo (1906)
Fort Collins, CO
USGS historical 15-minute topo (1908)
IFR Enroute Low Altitude Chart L-10 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-12 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-09 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-05 (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).