About mountain biking in McHenry County

McHenry County, Illinois has 17 named trails tagged for mountain biking, covering 109 miles, an average of 6.4 miles each. The longest is McHenry County Prairie Trail, at 26.3 miles. 8 run 5 miles or longer.

What the mountain biking trails in McHenry County are like

By length, 3 are under a mile, 6 run 1 to 5 miles, and 8 are 5 miles or longer. 1 is a loop, ending where it starts; the longest is Stone Mill Trail, at 5.9 miles.

Of the 17 with measured elevation, McHenry County Prairie Trail climbs the most, about 806 ft.

All 17 mountain biking trails, longest first

McHenry County Prairie TrailMTB26.3 mi Cary Community Bike TrailsMTB15.0 mi Hebron TrailMTB13.3 mi Ridgefield TraceMTB13.2 mi Crystal Lake Bike RoutesMTB8.6 mi Lake Defiance TrailMTB5.9 mi Stone Mill TrailMTB5.9 mi IL 31 Bike PathMTB5.1 mi Leatherleaf Bog TrailMTB3.4 mi The H.U.M. trailMTB3.3 mi Lake In the Hills Bike RoutesMTB2.3 mi Fox River TrailMTB2.2 mi Sunset Park PathHikeMTB1.9 mi Lakewood Cycle RoutesMTB1.8 mi Timbertown PathHikeMTB0.8 mi Route to bike pathMTB0.3 mi Whispering Oaks Trail PathHikeMTB0.1 mi

← All McHenry County trails

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt September 24, 2026.