Maine trails · Mud Brook
A 3.7-mile out-and-back in Maine, with 1,895 ft of climbing. Reaches Caribou Mountain and other spring/summit destinations. Managed by the U.S. Forest Service.
The climbing leans toward the middle third: 45% of the ascent falls between mile 1.2 and mile 2.4.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
CARIBOU WEST / MUD BROOK — parking nearby, restroom, water. About 1 h 40 min drive (62 mi) from Lewiston. 44.33600, -70.97520 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:28 a.m., the sun rises at 6:57 a.m. and sets at 6:01 p.m., and the last usable light fades about 6:31 p.m. (EDT) — 11 h 05 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 7.3-mile round trip takes roughly 4 h 36 min, so leaving the trailhead at sunrise puts you back around 11:33 a.m. — 6 h 28 min before sunset.