The Vallecito Mountains are located in the

Colorado Desert California's Colorado Desert is a part of the larger Sonoran Desert. It encompasses approximately , including the heavily irrigated Coachella and Imperial valleys. It is home to many unique flora and fauna. Geography and geology The Colorado D ...

, in eastern

San Diego County San Diego County (), officially the County of San Diego, is a county in the southwestern corner of the U.S. state of California. As of the 2020 census, the population was 3,298,634, making it California's second-most populous county and the f ...

Southern California Southern California (commonly shortened to SoCal) is a geographic and cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most populous urban ...

. They are about north of the U.S. border with

Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion of North America. It is borders of Mexico, bordered to the north by the United States; to the so ...

Geography

The mountains lie in Anza-Borrego Desert State Park, in an east–west direction, southwest of the community of Ocotillo Wells, and south of Highway 78. The range is approximately long, and reaches an elevation of above sea level at Whale Peak. The Laguna Mountains are to the southwest and Volcan Mountains to the northwest, and the Pinyon Mountains and Borrego Valley are on the north side. The Sawtooth Mountains,

Tierra Blanca Mountains The Tierra Blanca Mountains are located in San Diego County in southern California between the Vallecito Mountains The Vallecito Mountains are located in the Colorado Desert, in eastern San Diego County, Southern California. They are about nort ...

and

Jacumba Mountains The Jacumba Mountains are a mountain range of the Peninsular Ranges system, located in eastern San Diego County, Southern California, near the U.S. border with Mexico. The mountain range lies in a northwest-southeasterly direction, east of the I ...

ranges lie to the south and southeast.''Borrego Valley, California,'' 30x60 Minute Topographic Quadrangle, USGS, 1982''El Cajon, California,'' 30x60 Minute Topographic Quadrangle, USGS, 1979

References

* Mountain ranges of the Colorado Desert Mountain ranges of San Diego County, California Anza-Borrego Desert State Park {{SanDiegoCountyCA-geo-stub