Navajo National Monument is a non-fee park located within the Navajo Nation in Northeastern Arizona. The park protects three cliff dwelling sites (Betatakin, Keet Seel, and Inscription House) that date back to 1300 AD. The park's visitor center is open for the winter from 9:00am to 4:00pm every day and CLOSED ON MONDAYS AND TUESDAYS. The visitor center building includes an information desk and park store. The museum and auditorium are closed at this time (March of 2022) Ranger led tours are offered during the summer season which runs from Memorial Day (late May) to Labor Day (early September). Inscription House is closed to visitation. Open free camping here as well