The Colorado River.
California, Nevada, Arizona, Utah, Wyoming, Colorado, and New Mexico.
The Colorado River.
The Colorado River forms the border between California and Arizona.
It flows out of Colorado to join with the Green River in Utah and then fllows into Arizona and travels from west to East before turning South and forming the border with Nevada and California before entering Mexico to the Sea of Cortez.
Baja California, Mexico. Sonora, Mexico. California. Arizona. Nevada.
Arizona's border with both Nevada an California is the Colorado River.
California
It is probably the same since Arizona shares a border with both California and Colorado.
The Colorado River forms the border between Arizona and California.The Colorado River.
Nevada, Arizona, California, Colorado,
Colorado
The Colorado River.