Colby Mountain
Summit in Tehama County, California · on the USGS Onion Butte quadrangle
40.14615, -121.52199
Maps that show Colby Mountain
Get them in the map app
Onion Butte, CA — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · California
Public domain
Butte Meadows, CA — USGS historical 15-minute topo (1958)
USGS Historical Topo Maps (public domain) · California
Public domain
Winter Recreation on the Lassen National Forest Over-Snow Vehicle Use Map (2023)
Forest Service Maps (public domain) · Lassen National Forest
Public domain
OSVUM — Lassen National Forest (2023)
Forest Service Maps (public domain) · Lassen National Forest
Public domain
IFR Enroute Low Altitude Chart L-02 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute Low Altitude Chart L-11 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute High Altitude Chart H-03 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute High Altitude Chart H-01 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
Name, class, county and location: USGS Geographic Names Information System (public domain).