Wisconsin trails · Boulder Lake Mtb Trail
Boulder Lake Mtb Trail
A 10.2-mile network in Wisconsin, with 145 ft of climbing. Reaches Spring Lake and other lake destinations. Managed by the U.S. Forest Service.
Elevation profile
The climbing leans toward the first third: 44% of the ascent falls between mile 0.0 and mile 4.5. It gives back about 436 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Spring Lake (lake)
- Boulder Lake (lake)
Getting there
Boulder Lake Mtb Trail access. 45.16798, -88.67387 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:44 a.m., the sun rises at 6:14 a.m. and sets at 7:34 p.m., and the last usable light fades about 8:04 p.m. (CDT) — 13 h 19 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 10.2-mile route takes roughly 3 h 51 min, so leaving the trailhead at sunrise puts you back around 10:05 a.m. — 9 h 29 min before sunset.
Nearby trails
- Wolf River State Trail — 5.8 mi
- Nicolet State Trail — 26.0 mi