Best Mountain Biking Trails in Illinois | Trailmonger

About mountain biking in Illinois

Illinois has 1,195 named trails tagged for mountain biking on the map, covering 4,882 miles, an average of 4.1 miles each. The longest is Rockford Bicycle Routes in Winnebago County, at 79.1 miles. 240 run 5 miles or longer. 44 of the state's counties have at least one; Cook County has the most, with 453 trails.

Top 100 mountain biking trails, longest first

Rockford Bicycle RoutesMTBWinnebago County79.1 mi Grand Illinois Trail - Mississippi Palisades State Park to Lake Le-Aqua-Na State ParkMTBJo Daviess County77.7 mi bicycleMTBCook County72.6 mi Route 66MTBMcLean County65.6 mi Main TrailHikeMTBDuPage County65.2 mi Millennium TrailHikeMTBLake County57.6 mi MCT Nickel Plate TrailMTBMadison County55.7 mi Grand Illinois Trail - Lake Le-Aqua-Na State Park to Rock Cut State ParkMTBStephenson County49.8 mi Fox River TrailMTBKane County46.1 mi West Branch DuPage River TrailMTBDuPage County45.4 mi Southern DuPage Regional TrailHikeMTBDuPage County45.3 mi Hennepin Canal ParkwayMTBBureau County45.1 mi Wauponsee Glacial TrailMTBWill County44.6 mi Grand Illinois Trail - Maywood to LansingMTBCook County43.6 mi Constitution Trail Illinois Central BranchHikeMTBMcLean County42.7 mi Mississippi River Trail (Illinois)MTBPike County42.5 mi Cal-Sag TrailMTBCook County40.5 mi Arlington Heights BikewaysMTBCook County38.5 mi Des Plaines River TrailMTBLake County38.1 mi Metro Bike Link TrailMTBSt. Clair County37.5 mi Grand Illinois Trail - McHenry to ChicagoMTBLake County33.8 mi Great River TrailMTBRock Island County33.6 mi Rock River Bike TrailMTBOgle County33.0 mi 37 (Illinois)MTBCook County32.8 mi Sam Vadalabene Bike TrailMTBJersey County32.8 mi Grand Illinois Trail - Joliet to BureauMTBLaSalle County32.3 mi Grand Illinois Trail - Bureau to East MolineMTBHenry County32.1 mi Constitution Trail Collegiate BranchHikeMTBMcLean County31.2 mi McLean County Historic Route 66 TrailMTBMcLean County31.1 mi Wheaton Bike Route NetworkMTBDuPage County30.3 mi MCT Confluence TrailMTBMadison County30.0 mi Des Plaines River Trail Yellow UnpavedMTBCook County29.8 mi Mount Prospect Bikeway SystemsMTBCook County29.6 mi Lincoln Prairie TrailMTBChristian County28.9 mi Mackinaw Valley TrailMTBTazewell County27.7 mi McHenry County Prairie TrailMTBMcHenry County26.3 mi Schaumburg Bicycle NetworkMTBCook County25.8 mi Rock Island TrailMTBPeoria County25.4 mi Great Western TrailMTBDuPage County25.0 mi Rend Lake Bike TrailHikeMTBFranklin County24.8 mi Romeoville Bike TrailsMTBWill County23.5 mi North Shore Channel TrailMTBCook County23.2 mi Thorn Creek Red Paved TrailMTBCook County23.0 mi Hoffmann Estates BikewaysMTBCook County23.0 mi Naperville Bike RoutesMTBDuPage County22.4 mi Lincoln Prairie Grass TrailMTBColes County22.2 mi Robert McClory Bike PathMTBLake County21.8 mi Grand Illinois Trail - McHenry to MaywoodMTBDuPage County21.4 mi Palatine Bicycle NetworkMTBCook County20.8 mi Hennipen Canal ParkwayHikeMTBHenry County20.6 mi Illinois & Michigan Canal State TrailMTBGrundy County20.6 mi Route 66 TrailHikeMTBMcLean County20.3 mi Jane Addams TrailMTBStephenson County19.9 mi DuPage River TrailHikeMTBWill County19.6 mi Grand Illinois Trail - Lansing to JolietMTBWill County19.3 mi Grand Illinois Trail - East Moline to Mississippi Palisades State ParkMTBWhiteside County19.1 mi DeKalb Sycamore Bicycle NetworkMTBDeKalb County18.2 mi 36 (Illinois)MTBCook County17.8 mi Salt Creek TrailMTBDuPage County17.6 mi MCT Quercus Grove TrailMTBMadison County17.5 mi Rock Run GreenwayMTBWill County17.4 mi Woodridge Bikeway SystemMTBDuPage County17.2 mi Buffalo Grove Bike PathsMTBLake County17.1 mi Interurban TrailMTBSangamon County16.8 mi Washington Recreational TrailMTBTazewell County16.6 mi North Central DuPage Regional TrailMTBDuPage County16.4 mi Park Ridge BikewaysMTBCook County16.3 mi MCT Goshen TrailMTBMadison County16.3 mi North Branch Yellow Unpaved TrailMTBCook County16.0 mi North Branch Red TrailMTBCook County16.0 mi Illinois & Michigan TrailHikeMTBGrundy County15.8 mi North Branch Red Paved TrailHikeMTBCook County15.7 mi North Shore Bike PathMTBLake County15.6 mi Fort Hill TrailMTBLake County15.5 mi Perryville PathHikeMTBWinnebago County15.4 mi Plainfield Bicycle RoutesMTBWill County15.3 mi MCT Schoolhouse TrailHikeMTBMadison County15.2 mi Schoolhouse TrailMTBMadison County15.0 mi Cary Community Bike TrailsMTBMcHenry County15.0 mi Yellow Unpaved TrailHikeMTBCook County14.8 mi bicycleMTBWill County14.5 mi Chain O'Lakes Bike PathMTBLake County14.4 mi Old Plank Road TrailMTBWill County14.2 mi Paul Douglas Red Paved TrailMTBCook County14.0 mi Constitution Trail Bloomer Line BranchMTBMcLean County14.0 mi River Trail of IllinoisMTBTazewell County14.0 mi Great Western TrailMTBKane County13.9 mi Long Prairie Trail Bike PathMTBBoone County13.9 mi Hickory Creek BikewayHikeMTBWill County13.9 mi Spring Creek GreenwayMTBWill County13.4 mi Milwaukee AvenueMTBCook County13.4 mi Hebron TrailMTBMcHenry County13.3 mi Ridgefield TraceMTBMcHenry County13.2 mi Elmhurst Bike RoutesMTBDuPage County12.8 mi Oswegoland Park District TrailsMTBKendall County12.8 mi Red Paved TrailHikeMTBCook County12.7 mi Pecatonica Prairie PathMTBWinnebago County12.5 mi Sangamon Valley TrailMTBSangamon County12.2 mi Sag Valley Trail SystemMTBCook County12.2 mi Oak Brook Path SystemMTBDuPage County12.1 mi

Mountain Biking Trails by county

Tazewell County

Champaign County

Winnebago County

St. Clair County

Rock Island County

Jo Daviess County

Woodford County

Sangamon County

Whiteside County

Stephenson County

Williamson County

Effingham County

Kankakee County

Vermilion County

← All of Illinois

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt August 28, 2026.