The Knobs
Summit in Northumberland County, Pennsylvania · on the USGS Northumberland quadrangle
40.97239, -76.79779
Maps that show The Knobs
Get them in the map app
Northumberland, PA
Detailed map of terrain, trails and roads
USGS topo, 2023
Sunbury, PA
Old map for history, not navigation
USGS historical 15-minute topo (1893)
Sunbury, PA
Old map for history, not navigation
USGS historical 15-minute topo (1943)
Sunbury, PA
Old map for history, not navigation
USGS historical 15-minute topo (1953)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-29 (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-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).