About mountain biking in St. Clair County

St. Clair County, Illinois has 18 named trails tagged for mountain biking, covering 71.0 miles, an average of 3.9 miles each. The longest is Metro Bike Link Trail, at 37.5 miles. 3 run 5 miles or longer.

What the mountain biking trails in St. Clair County are like

By length, 7 are under a mile, 8 run 1 to 5 miles, and 3 are 5 miles or longer. 1 is a loop, ending where it starts; the longest is Signal Hill Bike Trail, at 1.0 mile.

Of the 17 with a difficulty rating, 16 easy and 1 moderate. Of the 17 with measured elevation, Metro Bike Link Trail climbs the most, about 1,644 ft.

All 18 mountain biking trails, longest first

Metro Bike Link TrailMTB37.5 mi Orchard Loop TrailMTB9.0 mi Shiloh TrailMTB5.0 mi Belleville BikewayMTB3.8 mi Illini TrailMTB2.6 mi East Belleville BikewayHikeMTB2.3 mi O'Fallon SPorts Park PathHikeMTB2.2 mi Richland Creek BikewayMTB2.0 mi Liberty Heights TrailMTB1.5 mi SWIC Campus TrailHikeMTB1.1 mi Signal Hill Bike TrailMTB1.0 mi O'Fallon BikewayMTB0.7 mi O'Fallon Park 3/4 Mile TrailHikeMTB0.5 mi Tecklenburg TrailHikeMTB0.5 mi Boul Avenus TrailMTB0.5 mi Dr. Tom Amlung TrailHikeMTB0.4 mi Fairwood Hills Road bike laneMTB0.2 mi Brookhill ConnectorHikeMTB0.2 mi

← All St. Clair 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 October 25, 2026.