Triss Lake
Reservoir in Somerset County, Pennsylvania · on the USGS Rockwood quadrangle
39.95489, -79.24560
Maps that show Triss Lake
Get them in the map app
Rockwood, PA
Detailed map of terrain, trails and roads
USGS topo, 2023
Meyersdale, PA
Old map for history, not navigation
USGS historical 15-minute topo (1921)
Meyersdale, PA
Old map for history, not navigation
USGS historical 15-minute topo (1939)
Meyersdale, PA
Old map for history, not navigation
USGS historical 15-minute topo (1944)
Great Allegheny Passage Trail Map - Potomac Heritage National Scenic Trail
National Park Service Maps · Potomac Heritage National Scenic Trail
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-36 (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).