Big Rocks
Summit in Tioga County, Pennsylvania · on the USGS Asaph quadrangle
41.82100, -77.46184
Maps that show Big Rocks
Get them in the map app
Asaph, PA
Detailed map of terrain, trails and roads
USGS topo, 2023
Elkland, PA
Old map for history, not navigation
USGS historical 15-minute topo (1900)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-30 (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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).