Vermont trails · Lye Brook

Lye Brook

A 18.4-mile loop in Vermont, with 1,894 ft of climbing. Reaches Stratton Pond and other lake destinations. Managed by the U.S. Forest Service.

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Length

18.4 mi

Elevation gain

1,894 ft

Difficulty

Expert

Max grade

21%

Steepest mile

+644 ft

Tread at ≥10% grade

3.5 mi

Shape

loop

Bikes

Horses

yes

Managed by

U.S. Forest Service

Elevation profile

Most of the climbing sits in the final third — 71% of the ascent, between mile 12.3 and mile 18.4. It gives back about 2,502 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

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

Reaches

Stratton Pond (lake)
Bourn Pond (lake)

Heads up

Stream ford: expect at least one unbridged crossing.

Getting there

LYE BROOK FALLS TH — parking nearby, restroom, water. 43.15871, -73.04051 · directions

Daylight at the trailhead

On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:45 a.m., the sun rises at 6:14 a.m. and sets at 7:29 p.m., and the last usable light fades about 7:58 p.m. (EDT) — 13 h 14 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 18.4-mile route takes roughly 7 h 46 min, so leaving the trailhead at sunrise puts you back around 2:01 p.m. — 5 h 28 min before sunset.