Swimming holes by town
Swimming Holes in Trinidad, California
6 natural swimming holes
If Trinidad is home base, you're spoiled for choice: 6 natural swimming holes appear in our listings for this area. Expect a spread: 4 ocean coves, and 2 lakes. Big Lagoon anchors the local list, and College Cove rounds out the highlights. They all fall in Humboldt County. Plan around May-October — that's the best season named in most local listings.
Swimming holes in Trinidad
- Big Lagoon
Big Lagoon is the largest of Humboldt's coastal lagoons, with a county park swim beach on its calm, brackish water.
- College Cove
A pocket cove north of Trinidad reached by a short trail through spruce forest, with sea stacks offshore.
- Moonstone Beach
Moonstone Beach is a driftwood-covered pocket beach south of Trinidad where a small creek meets the sea.
- Patrick's Point (Agate Beach)
Patrick's Point State Park's Agate Beach is a classic North Coast cove, with sea stacks offshore and agates in the gravel for beachcombers.
- Stone Lagoon
Stone Lagoon is a glassy coastal lagoon in Humboldt Lagoons State Park, warmer and calmer than the ocean just over the spit.
- Trinidad State Beach
Trinidad State Beach wraps a postcard harbor town in pocket coves and sea stacks, with the main beach offering the coast's most protected ocean swimming.
Frequently asked questions
How many swimming holes are in Trinidad, CA?
Our directory lists 6 natural swimming holes in and around Trinidad, California, across Humboldt County. New spots are added as they're verified.
What kinds of swimming holes are in Trinidad?
The 6 listings cover 4 ocean coves, 2 lakes. See each listing for details on access and conditions.
Which swimming hole near Trinidad should I try first?
Big Lagoon is a well-documented local listing. Big Lagoon is the largest of Humboldt's coastal lagoons, with a county park swim beach on its calm, brackish water. Full details, maps, and safety notes are on its page.
When is the best time to swim near Trinidad?
Local listings most often name May-October as the best season. Spring runoff can make rivers and creeks dangerously high — check local conditions before you go.