Northwest of Durango and north of Mancos, the Aspen Loop ATV Trail is a 39 mile route open to hikers, mountain bikers, off-road motorcycle and horseback riders. The route is over old logging roads and trail in aspen groves and spruce forests.
To reach the trailhead from Manco, head north on CR42 to NFS Transfer Campground. Turn right on FS565 to the trailhead parking area.
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, Aspen Loop ATV Trail is the 25th most popular dirt bike trail of all 93 dirt biking rides in Colorado.