San Simon River (Arizona)

San Simon River is an ephemeral river, or stream running through the San Simon Valley in Graham and Cochise County, Arizona and Hidalgo County, New Mexico. Its mouth is at its confluence with the Gila River at Safford in Graham County. Its source is located at 31°51′21″N 109°01′27″W / 31.85583°N 109.02417°W / 31.85583; -109.02417.^[1]