Castle Hot Springs Management Unit (MU) is bounded by State Route 74 (Carefree Highway) on the south, Prescott National Forest on the north, Black Canyon MU on the east, and Hassayampa MU on the west (Map 21 
). The MU contains the following lands:
112,430 acres of BLM-administered lands,
53,730 acres of Arizona State land,
32,560 acres of private land,
22,870 acres of county park lands in both Maricopa and Yavapai Counties (Lake Pleasant Regional Park), and
1,100 acres of Bureau of Reclamation lands outside Lake Pleasant Regional Park.