Southwest of Bend in the Deschutes National Forest, the Dechutes River Trails is a loose singletrack trail system along the Descutes River.
To reach the mountain biking trailhead from Bend, head west on Franklin Street and follow to Galveston Street. Turn right heading west on Galveston Street crossing the river. Continue on Galveston Street to the round-about at NW14th Street. Head south on NW14th Street (aka CR372 and FS46) for 6.3 miles. Turn left heading south on FS41 for 0.3 miles. Turn right heading east on FS800 for 0.7 miles to the large trailhead parking area.
Overall, Deschutes River Trails is the 4th most popular mountain bike trail of all 55 mountain biking rides in Oregon.