Who are we……
Jefferson Mountain Bike Association (JMBA) was formed in April of 2012. We are a local chapter of the International Mountain Biking Association (IMBA). Our mission is to preserve, produce and promote amazing biking experiences in the Yreka area.
Upcoming Events:
Siskiyou Scenic Bike Ride
Greenhorn Gravel Grinder
Our next event will be May 18th and 19th of 2024. We are partnering with Yreka Rotary to put on a 2 day event. Saturday the 18th will be all pavement rides of 101, 67, 40 and 21 miles. Sunday May 19th will be 2 gravel rides of 63 and 39 miles. Come join us!
Tuesday Night Mountain Bike Ride
Starting April 2, 2024
This is a weekly no-host mountain bike ride on the trails of Greenhorn Park. Participants of all levels of ability are welcome. The route will be decided on the day of the ride.