Sylvester Trail ( Map ID: 15)
View of rock pinnacles. It is a traverse beneath Castle Rock and the Priest and Nuns formations.
3.27 miles one way; allow 4 hours round trip.
Take SR 128 to Professor Valley Ranch Road, then 2.2 miles south to the trailhead.
The trail is shared with equestrian users. It is made of sandstone and shale ledges in a broad tributary valley of Professor Creek. As the trail progresses, it climbs 810 feet to a rise looking into Castle Valley.