National Forest Development Road 5620 Trail is a hiking, biking, and horse trail in King County, Washington. It is 7.4 miles long and begins at 1,413 feet altitude. Traveling the entire trail is 14.9 miles with a total elevation gain of 1,974 feet. The Dingford Trailhead parking is near the trailhead. There are also restrooms.
Sign in/up to upload photos.