The Warm Springs Wilderness (112,400 acres) in Arizona, is managed by the Bureau of Land Management. In 1990, the Warm Springs Wilderness became part of the now over 109 million acre National Wilderness Preservation System established by the Wilderness Act of 1964. In wilderness, you can enjoy challenging recreational activities and extraordinary opportunities for solitude. Please follow the regulations in place for this area, and use Leave No Trace techniques when visiting to ensure protection of its unique natural and experiential qualities. How to follow the seven standard Leave No Trace principles differs in different parts of the country (desert vs. Rocky Mountains). Click on any of the principles listed below to learn more about how they apply. Motorized equipment and equipment used for mechanical transport are generally prohibited on all federal lands designated as wilderness. This includes the use of motor vehicles (including OHVs), motorboats, bicycles, hang gliders, wagons, carts, portage wheels, and the landing of aircraft including helicopters Contact the agency for more information about regulations. The summer climate in this wilderness unit is harsh. Daytime temperatures during the summer months are over 100 degrees. Temperatures are more moderate between October 1 and April 30th.