• You can view the path of the San Pedro River on our interactive rivers map. or use the smaller one below.

    San Pedro River is a northward-flowing stream originating about ten miles (16 km) south of Sierra Vista, Arizona near Cananea, Sonora, Mexico. It is one of only two rivers which flow north from Mexico into the United States.[3] The river flows 140 miles (230 km) north through Santa Cruz County, Arizona,Cochise County, Pima County, Graham County, and Pinal County to its confluence with the Gila River, at Winkelman, Arizona. One of the last undammed rivers in the American Southwest, it is of major ecological importance as it hosts two-thirds of the avian diversity in the United States, including 100 species of breeding birds and 300 species of migrating birds - Wikipedia

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