Category:Communities in the Lower Colorado River Valley

' in the ' — the wide river valley of the lower in the  & Northwestern Mexico.
 * The Lower Colorado River Valley extends from Hoover Dam—Lake Mead in the & Nevada; south through the Mojave & Sonoran  in California, and Mojave & Sonoran Yuma Desert in Arizona; then crossing the border and through the  in Baja California & Sonora states, to the Colorado River Delta at the Gulf of California−Sea of Cortes.