From Portland, follow U.S. Hwy 26 17.5 miles east of Sandy to Zigzag. At Zigzag, approximately 0.4 mile past milepost 42, turn left (north) on Lolo Pass Road (Forest Road 18). After 4 miles, turn east at Forest Road 1825 and continue 0.6 miles. Turn right across a bridge and continue another 1.1 miles to a fork in the road. Stay right at the fork and continue a 0.7 mile past Lost Creek Campground to Forest Road 1825-109. Turn right onto Forest Road 1825-109 and travel 1 mile to the trailhead at the end of the road.