Walnut Canyon National Monument is located approximately 7.5 miles (12km) east of Flagstaff. From Flagstaff, travel east on Interstate 40 towards Albuquerque. Take Exit 204, and head south. The Walnut Canyon visitor center is located at the end of this 3 mile road.
- Oversized vehicles - the turn-around area at Walnut Canyon for oversized and towed vehicles is limited. The maximum recommended length is 40 feet (12 meters). There is no turn around area for oversized vehicles when the park is closed.
- GPS challenges - GPS systems often lead visitor to Walnut Canyon down Forest Road 303, a dirt, unmaintained road. This road often requires a high clearance vehicle. Please follow the directions above for the easiest route to Walnut Canyon National Monument.
The nearest commercial airport is Flagstaff Pulliam Airport.