The Porcupine Rim Trail starts 7 miles from the Entrance Station at the east end of the recreation area. The first 9 miles of the trail are open to bikes and motorized vehicles. After this point the trail departs from the dirt road and becomes a single track suitable only for mountain biking and hiking. The trail is rated a 4 (difficult), on a scale of 1 to 4. It includes a 3-mile, 900-foot ascent from the trailhead to Porcupine Rim and then an 11-mile, 2,800-foot descent to the Colorado River. One of the great attractions of the trail is the stunning view it offers of Castle Valley from the top of the Rim.
Ridden from the trailhead, Porcupine Rim Trail is 14.4 miles to Highway 128 or 20.4 miles to Moab. If ridden as a loop, the entire ride is 30.8 miles with an elevation gain of 3,000 feet. Shuttle services in Moab can provide transportation to the trailhead.
The trail is marked with brown flexible posts, cairns, and occasional symbols painted on rock. Normal riding season for the trail is from late March through late October. Due to the high elevation of the rim, snow, rain or cold temperatures may occur during early spring and late fall. The single track section is extremely technical and exposed in many places. This section may require dismounting and walking Trailhead facilities include an information board, vault toilet, trail register and limited parking. The water in the stock tanks at the trailhead is not potable.There are numerous spur routes off the main trail, most of which are indicated on the main map. Many of these are dead-ends. Follow the main trail on the map to avoid getting lost.
Porcupine Rim Mileage
Mile 0.0 Trailhead. Please sign the trail register.
Mile 0.2 Porcupine Jeep Trail to left; Porcupine Rim Trail goes right.
Mile 1.5 Stay straight on trail. Right fork (Lazy Man) ascends to the Sand Flats Road.
Mile 4.4 Trail goes right.
Mile 5.2 Trail goes right. The left spur is a long descent ending at Coffee Pot Rock.
Mile 6.0 Trail goes right. Spur accesses Coffee Pot Rock.
Mile 7.3 Trail goes left.
Mile 8.6 Trail goes left. Dead-end on right.
Mile 10.4 Trail goes left & enters the Wilderness Study Area.
Mile 11.2 Trail goes right to begin the single track. Turn around point for all motorized vehicles. The prominent double track on the left leads to a dead end.
Mile 14.4 Trail ends. 6 miles to Moab on bike path and Highway 128. Use caution on highway and please ride single file.