Olallie Mountain Trail is a 8.4 mile out and back trail located near Blue River, OR and is rated as difficult. The trail is primarily used for hiking and is accessible year-round.
Directions from Blue River: Travel 3.5 miles east on Hwy. 126 to Aufderheide Road (FS road 19). Continue on Aufderheide Drive for 3 miles to Cougar Dam. At the dam turn left onto Rd. 1993 for 14 miles to Pat Saddle Trailhead on the right. From the trailhead hike the Olallie Trail #3529 south for 2.25 miles to the junction of the Olallie Mountain Trail on the right.