Obstruction Island
Island in San Juan County, Washington · on the USGS Blakely Island quadrangle
48.59566, -122.81240
Maps that show Obstruction Island
Get them in the map app
Blakely Island, WA — USGS 7.5-minute topo (2023)
USGS Topo Maps (public domain) · Washington
Public domain
Orcas Island, WA — USGS historical 15-minute topo (1943)
USGS Historical Topo Maps (public domain) · Washington
Public domain
Orcas Island, WA — USGS historical 15-minute topo (1957)
USGS Historical Topo Maps (public domain) · Washington
Public domain
IFR Enroute Low Altitude Chart L-01 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute Low Altitude Chart L-13 (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
IFR Enroute Low Altitude Chart L-01 (Alaska) — 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).