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
| Region | San Luis Obispo County, CA |
|---|---|
| Coordinates | 35.3706, -120.8651 |
| Feature | Volcanic plug / Nine Sisters chain |
| Landmark | California Historical Landmark #821 |
| Height | ~576 ft (176 m) |
| Climbing | Closed (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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