Big Marsh
Swamp in Hamilton County, New York · on the USGS Grampus Lake quadrangle
44.00367, -74.40683
Maps that show Big Marsh
Get them in the map app
Grampus Lake, NY
Detailed map of terrain, trails and roads
USGS topo, 2023
Long Lake, NY
Old map for history, not navigation
USGS historical 15-minute topo (1904)
Long Lake, NY
Old map for history, not navigation
USGS historical 15-minute topo (1955)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).