Mexico, Sonora, Municipio de Nacori Chico, Northern floodplain of the Rio Bavispe, along road just east of Rancho Tres Rios, 12 miles (road), 5.84 miles (9.39 km) (air) north of Mesa Tres Rios.
29.88913 -108.63331 +-100m. WGS 84
1387 meters (4549ft)
River floodplain in mountainous pine oak woodland.