Walnut Run Professional Review and Guide
"Walnut Run is a great ride, covering a lot of varying terrain in its 10 miles. Single and doubletrack trails, stream crossing, log jumps, and technical sections make this a ride for the mountain bike connoisseur.
The ride is an out-and-back, so at he 6.5-mile mark, turn around and retrace your tracks back to the start. Terrain: Rocky singletrack, doubletrack, and gravel roads-a number of log jumps, stream crossings, fast downhills and steep uphills."