mountain range extending for 50 miles (80 km) east of the San Francisco River in southwestern New Mexico, U.S. Topped by Whitewater Baldy Peak (10,892 feet 【3,320 metres】), the mountains are named for Don Juan Mogollon, Spanish governor (1712–15) of New Mexico province. Sometimes considered a segment of the southern Rockies (Rocky Mountains), they are a headstream region for the Gila River and form part of the Gila National Forest and Wilderness Area. Mining and tourism are the main economic enterprises.