Wisconsin trails · Rock Lake Bike
Rock Lake Bike
A 12.4-mile loop in Wisconsin, with 161 ft of climbing. Reaches Hildebrand Lake and other lake destinations. Managed by the U.S. Forest Service.
Elevation profile
The climbing is spread fairly evenly along the route. It gives back about 400 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Hildebrand Lake (lake)
- Frels Lake (lake)
- Emerson Lake (lake)
- McClaine Lake (lake)
- Rock Lake (lake)
Getting there
ROCK LAKE NRT TH — parking nearby, restroom, fee site. About 1 h 09 min drive (42 mi) from Ashland. 46.19764, -91.13540 · directions
Daylight at the trailhead
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:49 a.m., the sun rises at 7:19 a.m. and sets at 6:20 p.m., and the last usable light fades about 6:50 p.m. (CDT) — 11 h 00 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 12.4-mile route takes roughly 4 h 40 min, so leaving the trailhead at sunrise puts you back around 11:59 a.m. — 6 h 20 min before sunset.
Loop options
- Emerson Lake Cut-off + ROCK LAKE BIKE — 3.2 mi loop, 395 ft gain
- ROCK LAKE BIKE + ROCK LAKE BIKE 5MI CUTOFF + Emerson Lake Cut-off — 7.7 mi loop, 797 ft gain
- ROCK LAKE BIKE + Emerson Lake Cut-off — 9.0 mi loop, 904 ft gain
Nearby trails
- Rock Lake National Rec 6Km — 2.5 mi
- North Country National Scenic — 7.5 mi
- Mukwonago Ski Trail 2.3 Km — 9.2 mi
- North Country National 383-187 — 15.6 mi