The Mule Mountains of California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 are located in the southeastern part of the state in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The range lies in a northeast-southwesterly direction south of the McCoy Mountains

McCoy Mountains

The McCoy Mountains are located in southeastern California in the United States.-Geography:The range lies in a northwest-southeasterly direction east of the Palen Mountains and south of the Little Maria Mountains...

 and west of the Palo Verde Valley and Colorado River

Colorado River

The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

. The mountain range is approximately 18 miles (29 km) long and is located just south of Interstate 10

Interstate 10

Interstate 10 is the fourth-longest Interstate Highway in the United States, after I-90, I-80, and I-40. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4 and I-8 are further south. It stretches from the Pacific Ocean at State Route 1 in Santa Monica,...

, about 5 mi (8 km) southeast of Chuckawalla Valley State Prison

Chuckawalla Valley State Prison

Chuckawalla Valley State Prison is located south of Interstate 10, west of Blythe in unincorporated Riverside County, California. The prison opened in December 1988 and covers . Although the prison was designed to hold 1,738 inmates, in 2008-2009 it had 3,545 prisoners, with a staff of 873...

. The northern end of the range is in Riverside County, and the southern end is in Imperial County. Downtown Blythe, California

Blythe, California

Blythe is a city in Riverside County, California, United States, in the "Palo Verde Valley" of the Lower Colorado River Valley region, an agricultural area and part of the Colorado Desert along the Colorado River. Blythe was named after Thomas Blythe, a gold prospector who established primary...

is about 12 mi (19.3 km) to the northeast.