Harry A. Merlo State Recreation Area

*HEAT ALERT: With temperatures set to exceed 110 degrees throughout much of the state this week, California is urging everyone to take extra precautions as they celebrate the Fourth of July. Governor Newsom has directed the Office of Emergency Services to activate its State Operations Center. Read about how California is preparing for this heatwave. The National Weather Service has issued an excessive heat warning for parts of California from 11 a.m. on Tuesday, July 2, through Sunday, July 7, at 8 p.m. PDT. Please be sure to take extra precautions when heading outdoors and know before you go by checking the park’s webpage ahead of time. Visit our safety tips webpage and get the latest on the weather at weather.gov.

The Park is currently OPEN.

Reservations

Contact Number

(707) 677-3570

Park Accessibility Information

View the Park Accessibility Information

Park Hours

Call Sue-meg State Park

Park Activities

Are Dogs Allowed?

Yes
Except for service animals, dogs not allowed on trails.

Day-Use Activities & Facilities

Fishing
Beach Area
Swimming
Nature & Wildlife Viewing
Windsurfing/Surfing
Geocaching

Trail Use

Hiking Trails

Park Facilities

EV Information

E-Bike Locations
EV Charger Icon

EV Charger Locations

Boating

Park Directions

Get directions through Google Maps

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.

Photo: View of the lagoon and surrounding area at Harry A. Merlo SRA Adjacent 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.