The Harry A. Merlo State Recreation Area is a state park and recreation area in Trinidad, California. Located adjacent to the Humboldt Lagoons State Park, this site is a popular spot for various outdoor activities.

Situated next to a lagoon, the Harry A. Merlo State Recreation Area is a popular spot for fishing. However, other activities like hiking, fishing, swimming, horseback riding, windsurfing, wildlife viewing, and kite boarding area also enjoyed at the site. Small boats are also allowed in the premises, but folks should follow the speed limit of 5 mph.

Mostly a day use park, the Harry A. Merlo State Recreation Area is open from sunrise to sunset all year long. For more information about the park, contact the authorities directly.