Presidio of San Bernardino

 (1776-1780) - A Spanish presidio established in 1776 by Irish mercenary, Hugh O'Conor in present day Sonora, Mexico. Abandoned in 1780. Also later located nearby Camp San Bernardino Ranch and Camp San Berdardino Springs in Cochise County, Arizona.

History
A Spanish Presidio established in 1776 by Irish mercenary, Hugh O'Conor, as part of a network of presidios and missions in present day southern Arizona and northern Sonora, Mexico. These presidios were under constant attack from hostile Apache Indians and were unable to adequately protect themselves much less build and protect any surrounding missions. The southern Arizona presidios included: The post was abandoned by 1780.

Current Status
Sixteen miles east of Douglas on the Sonora, Mexico side of the border.

Sources:
 * Moorhead, Max L., The Presidio: Bastion of the Spanish Borderlands, University of Oklahoma Press, 15 Mar 1991 - 304 pages, page 71. Provides coordinates for Presidio of San Bernardino.
 * , San Bernardino National Wildlife Refuge.

Links:
 * North American Forts - Camp San Bernardino Springs
 * North American Forts - Camp San Bernardino Ranch
 * Wikipedia - Presidio de San Bernardino
 * Legends of America - Presidio of San Bernardino
 * NPS - San Bernardino Ranch