1. Tonto National Forest is located in the Sonoran Desert in Phoenix, Arizona. Covering over 2.8 million acres, it is the largest national forest in Arizona. The forest features a variety of landscapes from high desert plains to mountain peaks with pine forests, and is home to diverse flora and fauna. There are many recreational opportunities available here, including hiking, camping, boating, fishing, and horseback riding. Additionally, the forest is home to many historic and cultural sites, including cliff dwellings and petroglyphs. 2. The Tonto National Forest is open to visitors 7 days a week from dawn to dusk. For more information, you can contact them at (602) 225-5200. 3. There is no admission fee to enter the Tonto National Forest, but some recreational sites and activities may require a fee. The forest is accessible by car and public transportation is limited. Visitors are encouraged to bring their own transportation or rent a vehicle.