Harry A. Merlo State Recreation Area

This park unit is open at limited capacity. Please take the time to read the information contained on this webpage to find out what is open and closed, and what COVID-19 guidelines are in place. - (May 28, 2021)

What is open now?

  • Day Use Vehicular Access.
  • Very limited parking is now available to the public.
  • Trails.
  • Beaches.

Phone Number

(707) 677-3570

Park Hours

Call Patrick's Pt. SP

Dogs Allowed?

Except for service animals, dogs not allowed on trails.

Driving Directions to Harry A. Merlo SRA

Harry A. Merlo SRA is situated along the south and east shores of Big Lagoon, between Patricks Point SP to the south and Humboldt Lagoons SP to the north, in Humboldt County. From the town of Trinidad, drive north about 7 miles on Hwy 101 then turn left at Big Lagoon Rd and follow the signs. Parking and beach access is located within Big Lagoon County Park.

Online reservations are not available for this park.

No online brochures available for this park.

Upcoming Park Events

No events scheduled at this moment.

Hiking Trails
Beach Area
Nature & Wildlife Viewing

Photo:  View of the lagoon and surrounding area at Harry A. Merlo SRAAdjacent to Humboldt Lagoons State Park, this area is a popular place for visitors who like to fish. The use of small boats is allowed. The boat speed limit is 5 mph.

Location/ Directions
The park is 32 miles north of Eureka on U.S. 101.

Seasons/Climate/Recommended clothing
The weather can be changeable; layered clothing is recommended.