Field guide index
Ecological Reserves
Explore ecological reserves through our San Diego field notes. Find practical guides, coastal context and links to the official information you need before heading out.
Batiquitos Lagoon Trail Map and Walking Guide
A north-shore lagoon walk with official map sources and clear distinctions between route length, access and reserve rules.
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Famosa Slough: San Diego Wetland and Birding Guide
Visit Famosa Slough for an urban wetland walk, birdwatching and salt-marsh habitat, with guidance from the city and local stewards.
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San Elijo Lagoon Nature Center: Trails and Visitor Guide
Start at San Elijo Lagoon Nature Center for exhibits, an accessible loop and wetland birdwatching. Learn how it differs from Annie's Canyon.
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Natural Lagoons in San Diego: Los Peñasquitos and Wetlands
Start with the landscape: coastal lagoons are living wetland systems, not swimming lakes. Los Peñasquitos makes that distinction clear.
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Marine Protected Areas San Diego Visitors Should Know
Understand San Diego marine reserves and conservation areas, check official boundaries and plan fishing, tidepooling and wildlife visits.
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Los Penasquitos Lagoon: Preserve and Access Guide
This coastal estuary is a State Marsh Natural Preserve. Plan around permitted edge access rather than assuming a trail circles the lagoon.
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San Diego La Jolla Ecological Reserve: Names, Rules and Visits
The familiar reserve name covers a coast with distinct protected-area designations. Check the exact boundary and rules before any collecting or fishing.
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Buena Vista Lagoon: Nature Center and Short Walking Trail
A small nature-center loop provides an introduction to the lagoon. It is not a continuous walk around the entire wetland.
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