From Page, AZ drive south on Highway 89 to between mileposts 544 & 545. Look for the exit lane and prominent dirt road on the west side of the road which you can drive a short distance on to the parking area.
Page is serviced by regional commuter flights through Great Lakes Aviation. They have flights from Los Angeles, Denver, and Phoenix. You can then rent a car from the only car rental business at the airport, Avis.