It ia on the eastern border of California. The western boundary of Callifornia is the Pacific Ocean,
The Colorado River forms the border between California and Arizona.
California's eastern border and Arizona's western border.
ricardo suck.
utah ************************** Note: Arizona's (natural) western border is mostly defined as the Colorado River. (Utah borders to the north!)
The Colorado River forms the border between Arizona and California.The Colorado River.
The Colorado River forms the western boundary between Arizona and California
Nebraska has a south-western border with Colorado and eastern border with Iowa.
Colorado's western border is shared with Utah.
The Colorado River on its way to the Sea of Cortez.The Colorado River.The Colorado River, which is the same river that runs through the Grand Canyon, forms the boundary between California and Arizona.The Colorado River.
Arizona's border with both Nevada an California is the Colorado River.
The Colorado River forms the border between Arizona and California.The Colorado River.
Baja California, Mexico. Sonora, Mexico. California. Arizona. Nevada.