Idaho State Highway 78
Murphy, ID 83650
The Owyhee Front is a large area located between Melba Junction and Oreana on Highway 78, about 45 miles southwest of Boise, Idaho. From Interstate 84, take Exit #33 to Highway 55 and follow Highway 55 south for 18 miles to Marsing, Idaho. In Marsing, turn left onto Highway 78 and continue for about 40 miles to the Fossil Creek Trailhead.