Directions: From US 160/US 84 junction, turn south onto US 84. Travel 8-miles and turn northeast onto Blanco Basin Road (CR 326), a gravel road. After 9.5-miles turn south onto FS 600 (Castle Creek Road). Continue for 3.3-miles to FR 023 (Opal Lake Road). Turn south and continue an additional .7-mile to the trailhead.
Facilities: Parking Lot
Length: 4.1 Miles one way to Flattop Mountain
Elevation: Begin-8,775′ End-11,463′
Begin hike at Opal Lake trail to Fish Creek trail junction, go East at junction.