Navajo National Monument is a national monument located within the northwest portion of the Navajo Nation territory in northern Arizona, which was established to preserve three well-preserved cliff dwellings of the Ancestral Puebloan people: Keet Seel, Betatakin, and Inscription House. The monument is high on the Shonto plateau, overlooking the Tsegi …Navajo National Monument is a national monument located within the northwest portion of the Navajo Nation territory in northern Arizona, which was established to preserve three well-preserved cliff dwellings of the Ancestral Puebloan people: Keet Seel, Betatakin, and Inscription House. The monument is high on the Shonto plateau, overlooking the Tsegi Canyon system, west of Kayenta, Arizona. It features a visitor center with a museum, three short self-guided trails, two small primitive campgrounds that are free to the public, and a picnic area.