Here is some information about Tonto National Forest: Tonto National Forest, Arizona The Tonto National Forest is the largest of the six national forests in Arizona and is the ninth-largest national forest in the United States. The forest has diverse scenery, with elevations ranging from 1,400 feet (427 m) in the Sonoran Desert to 7,400 feet (2,256 m) in the ponderosa pine Read more...