Twin Harbors State Park: Your Gateway to Washington's Coastal Adventure

July 20, 2025

I spent an entire day exploring the diverse landscapes of Twin Harbors State Park, from beach hiking to clam digging, and found the experience incredibly rewarding. The proximity to Westport made it easy to combine park activities with local town amenities, creating a perfect coastal Washington adventure.

Uncover Washington's wild coastal secrets at Twin Harbors State Park, where razor clam hunting meets dramatic Pacific Ocean landscapes. Discover a 225-acre playground where wilderness meets adventure, just two miles from the charming town of Westport.

Need-to-Know Info Before Visiting Twin Harbors State Park

Twin Harbors State Park Address

3720 State Route 105, Westport, WA 98520

Twin Harbors State Park Opening Hours

  • ๐Ÿ•’ Summer (May-September): 6:30 AM - 10:00 PM
  • ๐Ÿ•’ Winter (October-April): 8:00 AM - 5:00 PM
  • ๐Ÿ•’ Year-round park access

How to get to Twin Harbors State Park

  • ๐Ÿš— By car: Take Highway 105 directly to the park entrance
  • ๐ŸšŒ Public transport: Limited rural bus services from Aberdeen
  • ๐Ÿš• Rideshare: Uber and Lyft available in Westport area

What is Twin Harbors State Park known for?

  • Stunning 2-mile stretch of Pacific Ocean coastline perfect for beachcombing
  • Popular destination for razor clam digging during seasonal harvests
  • Offers 155 campsites with options for RV and tent camping

What is Twin Harbors State Park in Ocean Shores?

Tucked along Washington's rugged coastline, Twin Harbors State Park stands as a prime destination for outdoor enthusiasts and beach lovers seeking an authentic Pacific Northwest experience. Stretching across 225 acres, this coastal playground offers travelers an unfiltered connection to Washington's wild shoreline, with wide sandy beaches that draw thousands of visitors each year for clam digging, camping, and ocean-side adventures. During razor clam season, the park transforms into a bustling hub where locals and tourists gather to dig for prized shellfish, creating a unique community atmosphere that captures the essence of coastal Washington life. Campers can choose from 155 sites nestled near the beach, providing direct access to sweeping ocean views and opportunities for activities like beach hiking, wildlife watching, and storm viewing during winter months. The park's strategic location two miles south of Westport means visitors can easily combine beach exploration with nearby town amenities, making it a practical and scenic base for coastal adventures. Whether you're a photographer capturing dramatic Pacific waves, a camper seeking a rustic outdoor experience, or a shellfish enthusiast chasing the perfect clam, Twin Harbors State Park delivers a raw, unscripted slice of Washington's coastal landscape.

Top things to do at Twin Harbors State Park

  • Razor Clam Digging: Join seasonal clam harvests during peak months (typically October through May), with best digging conditions during low tide
  • Beach Hiking: Walk the expansive 2-mile coastline, exploring tide pools, driftwood formations, and watching for marine wildlife like sea birds and occasional whale migrations
  • Wildlife Photography: Capture coastal ecosystems, including shore birds, migrating waterfowl, and potential marine mammal sightings along the beach and surrounding forest areas
  • Beachcombing: Search for unique shells, sea glass, and interesting rock formations along the pristine shoreline, with different treasures visible during different tide levels
  • Camping and Stargazing: Set up camp at one of 155 sites and enjoy unobstructed night skies, with minimal light pollution perfect for astronomy enthusiasts
  • Storm Watching: Experience dramatic Pacific Ocean winter storms from safe observation points, witnessing powerful waves and intense coastal weather patterns

Tickets and Entrance Fees

Twin Harbors State Park requires a Washington State Parks Discover Pass for entry. The annual pass costs $30, while daily vehicle permits are $10-$15. Passes can be purchased online through the Washington State Parks website, at the park entrance, or at local vendor locations in Westport and Grays Harbor County. Senior citizens and military veterans may qualify for discounted or free passes.

Best Time to Visit

The park offers year-round access, but peak seasons vary by activity. Summer months (June-August) are ideal for camping and beach activities, with mild temperatures and lower chance of rain. Razor clam digging is best from October through May, when state-approved dig days are announced. Winter months offer dramatic storm watching and fewer crowds, making it attractive for photographers and solitude seekers. Spring and fall provide moderate temperatures and excellent wildlife viewing opportunities.

History of Twin Harbors State Park

  • 1930s: Initial land acquisition in Grays Harbor County for public recreational use
  • 1950s: Formal designation as a state park to preserve coastal landscape
  • 1972: Official establishment as Twin Harbors State Park under Washington State Parks system
  • 1990s: Major infrastructure improvements including campground expansions
  • 2000s: Enhanced environmental conservation efforts and beach restoration projects

Tips for Visitors

  • Bring layers of clothing - coastal weather changes quickly
  • Check tide tables before clam digging to ensure safe and legal harvesting
  • Reserve campsites in advance during peak summer season
  • Bring waterproof footwear and rain gear
  • Carry a Washington State Parks Discover Pass
  • Respect wildlife and follow Leave No Trace principles
  • Bring binoculars for wildlife and bird watching
  • Check local regulations for razor clam harvesting before your visit

What are some interesting facts about Twin Harbors State Park?

  • The park's name 'Twin Harbors' references the nearby Grays Harbor and Willapa Bay, not actual harbors within the park itself
  • During World War II, this coastal area was part of a military defense zone with coastal watchtowers monitoring potential Japanese naval activities
  • The park contains one of Washington's most productive razor clam beaches, with shellfish populations carefully monitored by state marine biologists to maintain sustainable harvesting