Chiriaco Summit is a small unincorporated community and travel stop located along Interstate 10 in the Colorado Desert of Southern California. It lies 19 miles (31 km) west of Desert Center on the divide between the Chuckwalla Valley and the Salton Sea basin at an elevation of 1,706 feet (520 m).

Desert Center is a census designated place in the Colorado Desert in Riverside County, California. It is in southern California, between the cities of Indio and Blythe at the junction of Interstate 10 and State Route 177, about halfway between Phoenix and Los Angeles. The ZIP Code is 92239, and the community is in telephone area codes 442 and 760. The elevation is 656 feet (200 m). The population was 204 at the 2010 census.