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Colossal Cave was officially "discovered" in 1879, but archaeological findings show that the cave had been used for centuries by prehistoric peoples.

Colossal Cave Mountain Park



On the National Historic Register, the 2,400-acre Park showcases crystal-filled Colossal Cave and historic La Posta Quemada Ranch, a 128-year-old working ranch.

Guided tours and advanced caving treks are conducted on a daily basis.

The headquarters of La Posta Quemada Ranch is a historical museum and research library. Exhibits explain the human and natural history of Colossal Cave Mountain Park and the Cienega Corridor.

Colossal Cave Mountain Park
16721 E. Old Spanish Trail
Vail, AZ 85641

Phone: (520) 647-7275

Hours Of Operation:
Daily: 8 a.m.-5 p.m.

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