Southwest of Bend in the Deschutes National Forest, the Cultus Lake Loop Trail is a 12 mile mixed single and double track beginner route. Drive 14 miles south of Bend on Hwy 97 and take the Sunriver/Hwy 40 turnoff. Continue 22 miles west on Hwy 40 to the junction of Hwy 46 (Cascade Lakes Hwy). Turn left onto Hwy 46 and drive a mile to the turnoff for Cultus Lake Resort (FS 4635). Drive down FS 4635 and park at the Cultus Lake day use picnic area. Ride back out FS 4635 and turn right onto FS 4630 toward Little Cultus Lake. Turn right onto FS 640 at Little Cultus Lake. Continue for 0.25 mile to the Deer i eke Trails trailhead, on the left. Here at this junction, you can choose between continuing the route along the Deer Lake Trail to the Cultus Lake Trail or the option of riding along FS 640 to FS 644 and make the 3 mile, 2,000 foot climb to the top of Cultus mountain. (then continue along FS 640 to the turn to Deer Lake) At West Cultus Lake Campground, you will mountain bike ride onto the Cultus Lake Trail. Stay on this single track around Cultus Lake, bear left just before the Big Cultus Lake Campground and come out at the Winopee Lakes trailhead. Take a right down the dirt road to get to the trailhead.
Overall, Cultus Lake Loop Trail is the 13th most popular mountain bike trail of all 55 mountain biking rides in Oregon.