Illinois River Trail

The Illinois River Trail is a hiking trail located in the Siskiyou National Forest in Oregon, United States. The 27-mile (43 km) trail provides access to the Kalmiopsis Wilderness in the Klamath Mountains.

Highlights of the trail include Bald Mountain, Buzzard's Roost, Indigo Creek and the Illinois River Valley.[1][2]

The trailhead is at the Briggs Creek Campground near Grants Pass. The trail terminates at Oak Flat near Agness, Oregon. A Northwest Forest Pass is needed for parking and the required free wilderness permit may be obtained at the trailhead.[2] The trail is open to backpacking, horseback riding and class 3 ATV riding (two wheel). Some portions require an Oregon ATV permit required as well as have seasonal restrictions.[3]