Tumacácori National Monument protects the ruins of three, seventeenth-century missions, Tumacácori, Calabazas, and Guevavi.
It is fifty miles south of Tucson, and only 18 miles north of the border with Mexico .

The physical remains of the mission church San Jose de Tumacácori and the cemetery, mortuary, chapel, and portions of the convent make for wonderful images.

There are adobe structures are on all three sites,