Walnut Canyon National Monument is a U.S. National Monument listed on the U.S. National Register of Historic Places and one of the top Flagstaff attractions. The monument is located on Walnut Canyon Road southeast of downtown Flagstaff. The trail that leads from the canyon’s edge to its floor passes by 25 Sinagua cliff dwelling rooms, and visitors are able to get close up views of the unique dwellings.

The Sinagua, a pre-Columbian group that lived in the valley, were responsible for building Montezuma Castle and Tuzigoot. The park there has a Visitor Center and a museum.

3 Walnut Canyon Road, Flagstaff, Arizona, Phone: 928-526-3367

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