Willow Lake
Reservoir in Contra Costa County, California · on the USGS Woodward Island quadrangle
37.90812, -121.59761
Maps that show Willow Lake
Get them in the map app
Woodward Island, CA — USGS 7.5-minute topo (2021)
USGS Topo Maps (public domain) · California
Public domain
Rhode Island Wildlife Area — California CDFW
California CDFW Wildlife Area Maps · California
Public domain
Byron, CA — USGS historical 15-minute topo (1916)
USGS Historical Topo Maps (public domain) · California
Public domain
Byron, CA — USGS historical 15-minute topo (1940)
USGS Historical Topo Maps (public domain) · California
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-03 (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-04 (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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).