Geology

Morro Rock

San Luis Obispo County, CA

Coordinate verified

Iconic 576-ft volcanic plug and the westernmost of the Nine Sisters (Morros) — a chain of extinct volcanic necks marching inland from Morro Bay to San Luis Obispo. California Historical Landmark #821; climbing closed to protect nesting peregrine falcons. Visitors walk Coleman Drive to base-of-rock viewpoints and Morro Rock Beach for close views of the plug, harbor seals, and seabirds.

Field facts

RegionSan Luis Obispo County, CA
Coordinates35.3706, -120.8651
FeatureVolcanic plug / Nine Sisters chain
LandmarkCalifornia Historical Landmark #821
Height~576 ft (176 m)
ClimbingClosed (falcon nesting / rockfall)

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

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