Mount Harwood, return via Devil's Backbone

1. Elevation: 9551ft
2. Elev. gain: 3904 ft
3. Trailhead: San Antonia Parking Area (Manker Flats)
4. Trail name: Register Ridge
5. Distance: 9.2 miles round trip
6. Duration: 6 hours
7. Difficulty: Strenuous
8. Meeting time: 5:00 AM