Event registration is now open!
30th Anniversary of one of the oldest mountain bike races around. Northern California’s premier mountain bike race, presented by the Jefferson Mountain Bike Association.
The largest park in Yreka, Greenhorn Park has been built around an expansive reservoir sourced by Greenhorn Creek.
Northern California’s premier mountain bike race. June 23, 2018 Presented by Jefferson Mountain Bike Association
This race honors the life and achievements of Christopher R. Lopez who passed away September 26, 2009. Chris was a varsity cross-country runner at Yreka High School in Yreka, California.
Siskiyou Scenic Bicycle Ride in Upper Greenhorn Park, Yreka California!
The Greenhorn Park Trails offer hours of great mountain bike riding. Multiple trails for riders of all experience levels.