| Facilities: The Williamson Valley Trailhead offers restrooms and a large parking area suitable for horse trailers. There is no water or other facilities along the trail.When not in use by the local rancher, there is a small stock corral (for cattle, but usable for horses) and a water trough. The water trough is not plumbed for public use so visitors should bring water for pack animals. Best Time To Visit: Tin Trough Springs Trail #308 is open year-round. Fees: There are no use fees associated with this trail. Accessibility: The trail is well-maintained, however, it is not paved. It is not well-suited for the mobility impaired. The restroom is accessible. Rules: Mountain bikes are not permitted in the Wilderness area. As with all Wilderness Areas, any mechanized vehicle is prohibited. Access to Granite Mountain Wilderness is limited to foot or horseback. All terrain vehicles, mountain bicycles, trucks, jeeps, etc are prohibited. Directions: To reach Tin Trough Springs Trail #308 from the Courthouse in downtown Prescott, take Montezuma Street north. Montezuma will become Whipple Street, and Whipple will become Iron Springs Road. Turn north on Williamson Valley Road and follow it to the trailhead which is on the west side of the road and clearly marked. Map: Click here for a map to Tin Trough Springs Trail #308 Reservations: Reservations are not needed or accepted to use Tin Trough Springs Trail #308. | 
