West of Grand Junction and north of Rifle, the Three Forks Loop is a challenging13.6 mile mountain bike route. The loop combines 5 miles of single track descending 1,700 feet on the Three Forks Trail #2150 with 8.6 miles of double track. This challenging, rocky trail passes through douglas fir, blue spruce and aspen forests. It is a backcountry-style route with some over grown sections.
To reach the trailhead from Rifle. Head north on Railroad Avenue (SR13) to County Road 325. Turn right on County Road 325 heading past Rifle Gap, Rifle Falls, and through Rifle Mountain Park. Once inside the National Forest boundary, the name of the road turns to FS832. Continue on FS832 to the fork in the road. Veer left at the fork to the Three Forks trailhead. The trail runs north to the Bar HL Road (FS211). It can be ridden as an out-and-back ride, too.
Overall, Three Forks Loop is the 66th most popular mountain bike trail of all 176 mountain biking rides in Colorado.