Field guide index
San Onofre State Beach
Explore san onofre state beach through our San Diego field notes. Find practical guides, coastal context and links to the official information you need before heading out.

Panhe Nature Trail: San Mateo Creek and San Onofre Guide
Near the county line, this trail area connects a coastal watershed with a living Indigenous cultural landscape. Verify the exact route before heading out.
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Beach Plants California Guide: San Onofre's Coast
Learn to observe California beach plants at San Onofre, from coastal scrub to creekside vegetation, while respecting trails and closures.
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Campsites San Diego: Beach Camping and Waterfront Options
Compare San Diego beach campsites, bluff-top campgrounds and Mission Bay RV parks, including tent rules and reservation checks.
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San Onofre Bluffs Trail 1: Closures, Maps and Beach Safety
The latest State Parks notice limits access south of the Trail 1 parking lot. Do not use older hike descriptions as evidence that the southern bluffs are open.
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Trails State Beach: A Guide to San Onofre
San Onofre is several distinct coastal experiences, not one interchangeable beach entrance. Choose Trails, Surf Beach or Trestles before setting off.
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Trestle Beach California: A Guide to Trestles Beach Trail
Find Trestles Beach near San Clemente, compare trail access and parking, and plan a careful walk to this San Onofre surf coast.
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Cristianitos Fault, San Diego Coast: A Geology Guide
Understand the fault through California’s official geology guide without treating an exposed cliff as a climbing destination.
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Super Bloom San Onofre: Wildflowers and Trail Rules
Plan a careful San Onofre wildflower walk without assuming a super bloom. Check current closures, protect plants and stay on open trails.
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