Massachusetts trails · Mount Frissell Trail
Mount Frissell Trail
A 1.8-mile out-and-back in Massachusetts, with 612 ft of climbing. Reaches Round Mountain and other summit/viewpoint destinations.
Elevation profile
Most of the climbing sits in the first third — 57% of the ascent, between mile 0.0 and mile 0.6. It gives back about 426 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Round Mountain (summit)
- Mount Frissell (summit)
- Connecticut High Point (viewpoint)
Getting there
Mt. Frissell Trail access — parking nearby. 42.05004, -73.46692 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:49 a.m., the sun rises at 6:18 a.m. and sets at 7:29 p.m., and the last usable light fades about 7:58 p.m. (EDT) — 13 h 12 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 3.6-mile round trip takes roughly 1 h 58 min, so leaving the trailhead at sunrise puts you back around 8:15 a.m. — 11 h 14 min before sunset.
Loop options
- Mt. Frissell Trail + Mount Frissell Trail + Unnamed trail — 1.8 mi loop, 483 ft gain
- Mount Frissell Trail + Mt. Frissell Trail — 2.2 mi loop, 449 ft gain
Across the border
- Continues into NY as South Taconic Trail — view on the map
Nearby trails
- South Taconic Trail — 4.5 mi
- Ski Trail — 11.8 mi
- Willams River Rail Trail — 20.8 mi
- Utility Corridor — 25.1 mi