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Massachusetts trails · Skyline Trail

Skyline Trail

A 4.4-mile out-and-back in Massachusetts, with 415 ft of climbing. Reaches Nahanton Hill and other lake/pass/summit destinations. Managed by BLUE HILLS RESERVATION.

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Length
4.4 mi
Elevation gain
415 ft
Difficulty
Hard
Max grade
39%
Steepest mile
+313 ft
Tread at ≥10% grade
1.8 mi
Shape
out-and-back
Managed by
BLUE HILLS RESERVATION

Elevation profile

92 – 503 ft1234

The climbing is spread fairly evenly along the route. It gives back about 919 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

3-D terrain view of Skyline Trail

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

Reaches

Getting there

SKYLINE TRAIL access — parking nearby. About 16 min drive (9 mi) from Boston. 42.23373, -71.02924 · 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 8.9-mile round trip takes roughly 3 h 42 min, so leaving the trailhead at sunrise puts you back around 10:37 a.m. — 7 h 27 min before sunset.

Loop options

Nearby trails