Trio Ponds
Lake in Coos County, New Hampshire · on the USGS Dummer Ponds quadrangle
44.71200, -71.36454
Maps that show Trio Ponds
Get them in the map app
Dummer Ponds, NH
Detailed map of terrain, trails and roads
USGS topo, 2024
Percy, NH
Old map for history, not navigation
USGS historical 15-minute topo (1930)
Percy, NH
Old map for history, not navigation
USGS historical 15-minute topo (1934)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
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-12 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).