Detroit Ranger District (US Highway 22) Detroit Ranger District is located in the northern part of the Willamette National Forest, bordering Mt. Hood National Forest and the Warm Springs Indian Reservation. This area is accessible from the west on Highway 22 from Salem, from the east on Highway 22 via Highway 20/126 from the Santiam Pass area, or from the north on Forest Road 46 from the Mt. Hood National Forest. Camping Here you will find popular campgrounds in the Detroit Lake Area , as well as Breitenbush Campground and Shady Cove Campground that serve as the base for adventures such as hiking, horseback riding, OHV riding, swimming, and more. Hiking Incredible vistas await while backpacking in the Mt. Jefferson - Jefferson Park Trail Area and the Opal Creek Scenic Recreation Area . Many day hiking opportunities can be found throughout the district such as the Detroit Reservoir Trail Area and Coffin Mountain Trail Area . Other Recreation Many areas offer great boating and swimming such as the Detroit Lake Area , Elk Lake Campground , and Three Pools Day Use Area .