You can also access the Pacific Crest Trail via Mt Mcloughlin Trail after about 1 mile from the trailhead.
Directions: From Klamath Falls, OR take US 97 south for about 1.8 miles. Take the State Highway 140 and follow for 33 miles. Turn right on Fourmile Lake Road/ Forest Road 3661 and follow for 2.9 miles. Turn left on Forest Road 3650 the trailhead will be on your left in less than half a mile.