Be aware of possible vehicle traffic as you hike. Research shows that while this service road may be open to vehicles, it's often deeply muddy on the north side.
This service road provides easy access to Dry Creek Falls both from Cascade Locks and from the Pacific Crest Trail. Starting at the Mount Hood National Forest boundary on Dry Creek Road, park your car and begin the steady climb on doubletrack to the junction with the PCT. Continue across the junction, trekking further uphill until you reach the trail's end near Dry Creek Falls.