- Santa Cruz River
The Santa Cruz River is a river in
southern Arizona ,United States , and northernSonora ,Mexico . The Santa Cruz has its headwaters in the high intermontane grasslands of the San Rafael Valley to the east of Patagonia between the Canelo Hills to the east and thePatagonia Mountains to the west, just north of the U.S.-Mexican border. It flows southward into Mexico and turns westward, and reenters the United States just to the east of Nogales. It then continues northward from the International border at Nogales past theTumacacori National Historical Park , Tubac, Green Valley,Sahuarita ,San Xavier del Bac , andTucson to the Santa Cruz Flats just to the south of Casa Grande and theGila River . Between Nogales and Tucson the river valley is flanked by the Patagonia andSanta Rita Mountains on the east and the Tumacacori andSierrita Mountains on the west. The Santa Cruz River is usually a dry riverbed through much of the year, unless the area receives significant rainfall.External links
* [http://sonoran.org/index.php?option=com_content&task=view&id=60&Itemid=161 Santa Cruz River Project]
* [http://www.pr.state.az.us/Parks/parkhtml/sanrafael.html San Rafael Ranch Natural Area and state park]
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