Mexico, Sonora, Nácori Chico, Nácori Chico, Arroyo El Macho, 22.85 miles (road), 13.75 miles (22.15 km) (air) northeast Nacori Chico along road to Mesa Tres Rios.
29.78958 -108.78385 +-100m. NAD83
1981 meters
6500 feet
Ephemeral drainage in mountainous pine oak woodland.