Maine trails · Mud Brook
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.
Elevation profile
The climbing leans toward the middle third: 45% of the ascent falls between mile 1.2 and mile 2.4.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Caribou Mountain (summit)
- Caribou Spring (spring)
Getting there
CARIBOU WEST / MUD BROOK — parking nearby, restroom, water. 44.33600, -70.97520 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:35 a.m., the sun rises at 6:05 a.m. and sets at 7:22 p.m., and the last usable light fades about 7:52 p.m. (EDT) — 13 h 17 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 10:41 a.m. — 8 h 41 min before sunset.
Loop options
- Mud Brook + Caribou — 6.6 mi loop, 2,043 ft gain
Nearby trails
- Red Rock — 3.2 mi
- Royce Trail — 4.9 mi
- Miles Notch Trail — 5.8 mi
- Cold Brook Trail — 6.6 mi