Geology

Split Mountain (Anza-Borrego)

San Diego County, CA

Coordinate verified

Dramatic anticline and gorge where Fish Creek Wash cuts the Vallecito Mountains at the SE corner of Anza-Borrego. Classic Colorado Desert structure-geology stop: steeply tilted beds, badlands, and a 4x4 wash drive/hike into the Fish Creek–Split Mountain corridor with primitive camping nearby.

Field facts

RegionSan Diego County, CA
Coordinates33.0045, -116.1202
ParkAnza-Borrego Desert State Park
StructureAnticline / canyon cut by Fish Creek Wash
ElevSummit ~1,447 ft (GNIS)
AccessFish Creek Wash / Split Mountain Road

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Nearby amenities

Public recreation data — BLM & Recreation.gov (RIDB). Verify current access, fees, and seasonal closures before traveling.

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Plan ahead. Leave no trace. Verify current access before traveling.