Tumacácori National Historical Park

Tumacácori National Historical Park

1819 East Frontage Rd.
Tumacácori, Arizona 85640
(520) 398-2341

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Starting in the mid-1730's, Spanish and Basque prospectors and ranchers started to move into the high and rugged mountainous area south of Tumacácori. Bernardo de Urrea, a criollo Basque born in Culiacán, Mexico started a cattle and horse ranch at the junction of two canyons that flowed in a generally westward direction, which he named Arizona. When he became a deputy chief justice for that area of Sonora, the political jurisdiction also became known as Arizona. When prospective miners developed a Royal Mining Camp called Agua Caliente near Urrea´s ranch, it was sometimes called Agua Caliente of the Arizona.


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