Field guide index
Carlsbad
Explore carlsbad 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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Northern San Diego: 10 North County Beaches to Explore
A north-to-south selection of North County beaches, with different choices for an easy beach day, a surf-watching stop or a long shoreline walk.
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Things to Do in Carlsbad: Beaches, Lagoons, LEGOLAND & More
How to plan a Carlsbad day around the Village and seawall, the lagoon trails and the attractions near Palomar Airport Road.
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Agua Hedionda Lagoon Garfield Street Trailhead Guide
How to use the Garfield Street access for the short North Shore Hubbs Trail beside Agua Hedionda’s outer lagoon.
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San Diego Lagoons and Nature Centers: Where to Start
Pick a lagoon for the kind of visit you want: an interpretive center, a shoreline trail or a quiet wetland viewpoint.
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Carlsbad Sea Wall Trail: Upper and Lower Walks
An easy-to-plan oceanfront walk, with one important detail: Carlsbad's upper and lower seawall paths have different dog rules.
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Long Walks Along the Beach: San Diego Coastal Routes
Choose a long coastal walk by surface and exit options, not just a line on a map. Sand, boardwalks and bluff trails offer different kinds of days.
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Agua Hedionda Lagoon: Discovery Center and Trail Guide
Start at the Discovery Campus, then choose a lagoon-side walk that fits your group. Separate trailheads make a little advance planning worthwhile.
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