Cave of the Bells
Cave of the Bells is located in Sawmill Canyon on the eastern slopes of the Santa Rita Mountains of Santa Cruz County, Arizona.  The cave contains a lake which is 80 meters below the entrance level.  The lake has been measured at  and is believed to be warmed by sources below. Nearby Onyx Cave is also of interest.

Access
Access to the cave is by reservation and a key security deposit. Permits and keys are accessible at the Forest Supervisor's Office.

References

Caves of Arizona
Landforms of Santa Cruz County, Arizona