The Jacumba Mountains are a mountain range of the Peninsular Ranges in eastern San Diego County, California, near the Mexico–United States border. The range reaches an elevation of at Jacumba Peak, near the southern end of the chain.Jacumba, CA, 7.5 Minute Topographic Quadrangle, USGS 1997
The range lies in a northwest-southeasterly direction, east of the In-Ko-Pah Mountains, and north of Interstate 8. The range is approximately long, and Table Mountain at the southeast end of the range is located about northeast of the town of Jacumba.El Cajon, California, 30x60 Minute Topographic Quadrangle, USGS, 1979
The Tierra Blanca Mountains and the Sawtooth Mountains are to the northwest, and Anza-Borrego Desert State Park due north. The Coyote Mountains lie to the northeast. The Volcanic Hills area lies on the northeast flank of the range.
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