Northwest of Boulder and northeast of Jamestown, the Left Hand Canyon OHV Area has a great network of roads totaling over 10+ miles open to OHV routes. The very old logging roads are very challenging trails now. This area has been the site of numerous conflicts with nearby land owners so be sure to stay on public roads and KNOW where you are riding at all times. Otherwise, this area may be closed to riding.
To reach the trailhead from Boulder, head north on US36 to Altona. Turn left heading west on Lefthand Canyon Drive for about 3.5 miles. The trailhead and trail system on the righthand (north) side of the road.
The Motorized Trails shown on the map are open to dirt biking, mountain biking, hiking and horseback riding. The 4WD Roads shown on the map are open to OHV routes and dirt biking. Note: FS286B is currently closed.
Note: Colorado residents must register their off-highway vehicle with the Colorado State Parks (303) 866-3437. Non-residents are not required to register in Colorado, if they are registered in their home states. All off-highway vehicles must have an approved muffler and spark arrester. These requirements are subject to change so make sure to contact the Colorado State Parks prior to using your off-highway vehicle.
Overall, Lefthand Canyon OHV Area is the 7th most popular OHV & 4wd jeep trail of all 61 OHV routes in Colorado.