Lock Ridge
Ridge in Lehigh County, Pennsylvania · on the USGS Allentown West quadrangle
40.50537, -75.59963
Maps that show Lock Ridge
Get them in the map app
Allentown West, PA
Detailed map of terrain, trails and roads
USGS topo, 2023
Alburtis, PA
Old map for history, not navigation
USGS historical 15-minute topo (1957)
Allentown West, PA
Old map for history, not navigation
USGS historical 15-minute topo (1942)
Slatington, PA
Old map for history, not navigation
USGS historical 15-minute topo (1902)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Area Chart A-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-30 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-33 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-34 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-32 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-11 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-10 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-12 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).