Tubac Presidio State Historic Park has the distinction of being known as Arizona’s first State Park. Tubac Presidio State Historic Park is located 45 miles south of Tucson off Interstate 19 near the community of Tubac. Tubac played an interesting and exciting role from archaeological times through the Spanish contact and colonization, Mexican occupation, and the westward and territorial expansion periods. Tubac Presidio State Historic Park’s primary purpose is to preserve the ruins of the oldest Spanish Presidio site in Arizona, San Ignacio de Tubac, established in 1752.