Tonto National Monument is open daily from 8 am to 5 pm (closed December 25).
The trail to the Lower Cliff Dwelling is open daily from 8 am to 4 pm. You must start hiking before 4 pm. Park staff may close the trail to the Lower Cliff Dwelling due to safety concerns like lightning, flooding, bee activity, or heat. During the hottest months of the year, it is best to arrive early to begin hiking.
The trail to the Upper Cliff Dwelling is only accessible by guided tour November thru April. Tours are limited, and you must have a reservation. Reservations open October 1st for the season. To make a reservation, you must call (928) 467-2241. For additional information, visit the Guided Tours page.