70 Miles of Coast
Your guide to San Diego — beaches, trails,
tide pools, neighborhoods and things to do.

The coast, collected

Outside San Diego Coast Trips & Nearby Detours

An outside San Diego coast trip can be a good way to see familiar landscapes with fresh eyes. Continue along the shore and the balance of beaches, towns, wetlands and bluffs changes. The useful question is not how far you can drive, but what kind of place deserves the time you have.

This collection keeps nearby detours separate from guides within San Diego, so a place name does not quietly become an unrealistic afternoon plan. Look at the full journey, including the return, before adding stops. Read individual guides for official access references and check the responsible agency’s current alerts. A destination can be open while a particular trail, beach entrance or facility is not.

Plan around one main purpose and let the rest stay optional. A walk, a wildlife stop or a coastal town afternoon may be enough without stacking several long drives together. Bring the same care you would at home: respect local restrictions, leave wildlife alone and avoid treating neighborhood streets as spare parking lots. The best detour gives a place your attention rather than using it as a brief background for the next destination.

The field notes

11 guides · newest updates first

A blue whale photographed at the ocean surface by NOAA
Southern California

SoCal Whale Watching: A Southern California Guide

Start with the harbor and the kind of boat that suits your group, then use seasonal patterns as a guide rather than a wildlife guarantee.

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Branching canopy of the Wardholme Torrey Pine in Carpinteria
Carpinteria, Santa Barbara County

Wardholme Torrey Pine: Carpinteria's Landmark Tree

This historic Torrey pine is in Carpinteria, not San Diego. View it as a living landmark rather than a destination to climb or enter private grounds.

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A train crossing the San Mateo Creek estuary at Trestles, near the Panhe trail area
San Mateo / San Onofre county-line area

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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Surf Beach near Lompoc, with ocean waves beyond the sand
Lompoc / Santa Barbara County

Lompoc Surfing and Ocean Beach Park: Know the Difference

An outside-San-Diego guide to two neighboring Lompoc coastal places that are easy to confuse when planning a beach visit.

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Megamouth shark display at Toba Aquarium in Japan
Pacific Ocean / Hawaii

When Was the Megamouth Shark Discovered? The 1976 Story

A remarkable accidental catch revealed a large plankton-feeding shark. Discovery in 1976 and formal description in 1983 are different milestones.

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California sagebrush, Artemisia californica; a species reference photo, not a verified San Onofre specimen
San Onofre / San Clemente

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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Sunset over the shore at San Onofre State Beach
San Onofre / San Clemente border area

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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Aerial view of the San Onofre coast south of San Clemente
San Onofre / San Clemente county-line coast

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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Lifeguard tower on the sand at Trestles Beach
San Onofre / San Clemente

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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Aerial view of the San Clemente and San Onofre coast, the wider setting of the Cristianitos Fault
San Onofre / San Clemente border coast

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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San Onofre shoreline; a coastal landscape view, not a current bloom report
San Onofre / San Clemente

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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