This is a loop ride beginning north of I70 at the Colorado, Utah border climbing to the mesa overlooking Rabbit Valley.
Open to motorized use.
From the Rabbit Valley exit drive north to a small parking lot and turn left climbing through a switchback. Top out and drive to a three-way intersection. Go left and drive a mile to and park at the state line. The road beyond this point becomes less passable, and there are limited parking opportunities.
Ride west 1 1/2 miles to a drainage underpass below I70. Ride towards a sign board and climb the road to the right. Note: Zion Curtain IS NOT the singletrack that begins just across I70. The singletrack begins about 1/2 mile up the doubletrack at a marker on the left.
Zion Curtain winds in and out of multiple drainages along the course of the climb, eventually reaching a wire fence, the namesake curtain between Colorado and Utah. The trail follows the fence to the rim overlooking Rabbit Valley. 2 miles after reaching the rim, Zion Curtain forks with Zion Curtain Alternate Descent. These two trails converge after a mile.
Zion Curtain singletrack ends at a three-way road junction, with the Kokopelli Trail
(the southern and western legs) and a road to the north. Go north on the dirt road. After 2 3/4 miles pass the beginning of the Zion Curtain singletrack and continue downhill and across I70. Ride the dirt frontage road back to the car.