West of Castle Rock in the Rampart Range area, the Power Line Motorized Trail (#690) is a 7.7 mile route following power lines parallel to Rampart Range Road and is open to offroad motorcycles. The dirt bike trail runs north-south from SR67 to Cabin Ridge Picnic Ground.
To reach the dirt biking trailhead for the Rampart Range area from Denver, Santa Fe (Hwy 85) south at Sedalia, take State Hwy. 67 West approximately ten miles to the Forest Service Indian Creek Work Center (Rampart Range Road (top of hill)). Rampart Range road is marked with a sign at the top of the hill, on the north side is the Forest Service Indian Creek Work Center. The road begins here and runs south to Colorado springs (Rampart Range is not open to un licensed vehicles). Past Rampart Range road about three miles is the Sprucewood bar (you have gone to far) stop here for directions, they also have area maps. Along the road you will find several place sto park or camp.
Persons approaching from the south may take Rampart Range Road from Woodland Park, or Hwy. 67 from Deckers.
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, Power Line Motorized Trail is the 7th most popular dirt bike trail of all 93 dirt biking rides in Colorado.