San LuisSonora border region
San Luis Rio Colorado, Sonora, Mexico
The Arizona-Mexico border city of San Luis Rio Colorado, Sonora is located south of the border town of San Luis, Arizona, near the city of Yuma.
The town sits along the Colorado River on the California-Arizona border, where canals divert river water to local farms, making the area of the San Luis Valley a major agricultural center.
The town of San Luis is also visited every year by thousands of tourists who seek affordable medical and dental services.