Directions: Approximately 33 Miles east of Pendleton, Oregon. From Pendleton, OR, drive east for 7 miles on I-84 and take exit 216. Go left (north) towards Walla Walla for 2.1 miles to a flashing red light. Take a right on Mission Road and follow for 1.7 miles. Then go left on Cayuse Road and follow for about 16 miles. Then continue onto Bingham Road/County Road 900 for another 8.5 miles. The trailhead is located to your right across the road from the barn, adjacent to the Umatilla River.