Sierra Vista has been built upon the historic past of Fort Huachuca, established in 1877. The fort is now the largest single employer in southern Arizona, and most of its personnel live in the area. The scenery makes Sierra Vista special: The city is nestled on the eastern slopes of the Huachuca Mountains and overlooks the San Pedro River Valley. Nature lovers are attracted to nearby Coronado National Memorial, San Pedro Riparian National Conservation Area (6 miles east) and Ramsey Canyon Preserve. Learn More...