Tumacacori National Historic Park is situated in the upstream of Santa Cruz River Valley of Arizona. 3 Spanish mission communities are protected in the park, and two of them are sites of national historic landmark. Tumacacori museum is also one of the historic landmarks; the building was built-in 1937. The park covers an area of 1.5 km2 in 3 separate units. In 1990, remains of Guevai and Calabazas settlements were added into Tumacacori National Monument, merely, the main site which covers an area of 5 acres has a plenty and various sorts of buildings.
Franciscan churches at Los Santos ?ngeles de Guevavi and San José de Tumacácori which are both established in the late 1700s. San Cayetano de Calabazas is the third unit which founded in 1756. Both of Calabazas and Guevavi units are closed to the ordinary public and visitors are allowed have a tour only on reserved tours directed by staff of the park. The Tumacácori Mission is the mainly unit which has museum and tourist center and open for public each day except Thanksgiving and Christmas. The original roof of the church was damaged for many years and with a replenishment of the architecture was added and the structure steadied. The museum building of Tumacacori Museum was set up in 1937, belongs to the Tumacacori National Monument which is the predecessor of Tumacacori National Historic Park. It designed by Scofield Delong, and in 1987 it was designated as a National Historic Landmark with its Mission Revival architecture.
The Green Valley, Tucson and Nogales are the three nearest towns which with hotels and close to Tumacacori National Historical Park. There have distances over 22 miles, 45 miles and 18 miles away from the towns to park respectively.