Michigan trails · Pine Marten Run

Pine Marten Run

A 20.4-mile network in Michigan, with 76 ft of climbing. Reaches Side Lake and other lake destinations. Managed by the U.S. Forest Service.

Open in the interactive map →

Length

20.4 mi

Elevation gain

76 ft

Difficulty

Hard

Max grade

13%

Steepest mile

+66 ft

Tread at ≥10% grade

0.5 mi

Shape

network

Bikes

yes

Horses

yes

Managed by

U.S. Forest Service

Elevation profile

The climbing leans toward the middle third: 50% of the ascent falls between mile 8.8 and mile 17.7. It gives back about 363 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

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

Reaches

Side Lake (lake)
Ironjaw Lake (lake)
Spud Lake (lake)
Rumble Lake (lake)
Nineteen Lake (lake)
Rim Lake (lake)
Verdant Lake (lake)
Swan Lake (lake)
Hub Lake (lake)
Sprinkler Lake (lake)

Getting there

PINE MARTEN RUN MIDDLE TRAILHEAD — parking nearby. 46.15744, -86.51747 · directions

Daylight at the trailhead

On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:33 a.m., the sun rises at 7:04 a.m. and sets at 8:26 p.m., and the last usable light fades about 8:58 p.m. (EDT) — 13 h 22 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 20.4-mile route takes roughly 7 h 36 min, so leaving the trailhead at sunrise puts you back around 2:41 p.m. — 5 h 46 min before sunset.