ReckonTrails Open the map

Massachusetts trails · Rock Circuit Trail

Rock Circuit Trail

A 3.7-mile network in Massachusetts, with 144 ft of climbing. Reaches Black Rock and other lake/summit/viewpoint destinations. Managed by MassGIS (Bureau of Geographic Information).

Open in the interactive map →

Length
3.7 mi
Elevation gain
144 ft
Difficulty
Moderate
Max grade
22%
Steepest mile
+125 ft
Tread at ≥10% grade
0.7 mi
Shape
network
Managed by
MassGIS (Bureau of Geographic Information)

Elevation profile

136 – 280 ft123

The climbing is spread fairly evenly along the route. It gives back about 383 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

3-D terrain view of Rock Circuit Trail

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Reaches

Heads up

Terrain graded T3 (SAC scale) — exposed or hands-on hiking reported on part of this route.

Getting there

Rock Circuit Trail junction. About 17 min drive (10 mi) from Boston. 42.43952, -71.07864 · directions

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:27 a.m., the sun rises at 6:55 a.m. and sets at 6:04 p.m., and the last usable light fades about 6:32 p.m. (EDT) — 11 h 09 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 3.7-mile route takes roughly 1 h 26 min, so leaving the trailhead at sunrise puts you back around 8:21 a.m. — 9 h 42 min before sunset.

Loop options

Nearby trails