The Black Rock Mountain Trail starts at its junction with #10W36 (Pettijohn Trail) and heads northwest out the ridge to Black Rock Mountain. The trail is approximately 1.75 miles long and splits at the base of Black Rock Mountain, supplying 2 routes to the top. The trail offers many scenic views, but no water. The trail is relatively level except for the ascent of Black Rock Mountain which is very steep.
Directions from Harrison Gulch: Drive 7 miles west of Harrison Gulch on Highway 36 to the Wildwood Mad River Road (#30). Turn south and continue approximately 10 miles to Pine Root Saddle. At the saddle turn east on the Middle crest Road (29N35) and continue approximately 11 miles. At Stuart Gap junction turn right on 28N62 and continue another 2 miles to the trailhead. From the Stuart Gap Trailhead take trail #10W36 approximately 2 3/4 miles to the top of the main ridge between Black Rock and North Yolla Bolly Mountains.