West of Castle Rock in the Rampart Range area, the Bear Creek Motorized Trail (#692) is a 7 mile loop open to off-road motorcycle trails riding. The loop can be accessed from the Russell Gulch Motorized Trail (#693).
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, Bear Creek Motorized Trail is the 1st most popular dirt bike trail of all 93 dirt biking rides in Colorado.