Tres Alamos Wash
Tres Alamos Wash, an ephemeral stream tributary to the San Pedro River, in Cochise County, Arizona. It runs southwesterly to meet the San Pedro River, across the river from the former settlement of Tres Alamos, Arizona. Tres Alamos Wash passes east and northeastward between the Little Dragoon Mountains and Johnny Lyon Hills to where it arises in a valley east of those heights and west of Allen Flat and the Steele Hills. It has its source at .
- U.S. Geological Survey Geographic Names Information System: Tres Alamos Wash
- John P. Wilson, Peoples of the Middle Gila: a Documentary History of the Pimas and Maricopas, 1500s–1945, Researched and Written for the Gila River Indian Community, Sacaton, Arizona, 1999, p. 111
- Robert Eccleston, Overland to California on the Southwestern Trail 1849, University of California Press, Berkeley, 1950, pp. 174–193
- Edward Trapp, Military Map of Arizona, Engineer Office, Military Division of the Pacific, 1869 from Sharlot Hall Museum Map Collection, Sharlot Hall Museum Archives, Digital Collection, accessed February 28, 2014. This map shows the wash as Nugent's Pass.