All Washington Parks
Twanoh State Park in Mason County, Washington

Mason County, Washington

Twanoh State Park

State Park

Twanoh State Park sits on Hood Canal's warm eastern shore, with a swimming beach, a 1920s bathhouse and forested trails.

Why Visit

Hood Canal's warm summer water and the park's historic bathhouse.

Amenities & Facilities

  • Bathhouse
  • Swimming beach
  • Restrooms
  • Trails
  • Boat launch

Things to Do

  • Swim in Hood Canal
  • Dig oysters in season
  • Hike the forest trail
  • Picnic by the water

Best For

Families and swimmers on Hood Canal.

Parking & Visiting

Discover Pass required; the lot fills on hot summer weekends.

Nearby Communities

  • Union
  • Shelton
  • Belfair

Related Attractions

  • Hood Canal
  • Belfair State Park
  • Shelton
  • Olympic Peninsula

Frequently Asked Questions

Why is Hood Canal warm?

Hood Canal is a long, narrow fjord with limited exchange with Puget Sound, so shallow areas warm quickly in summer.

Seasonal Note

Trail conditions, beach staffing, boat rentals and road access change with the season. Confirm current hours and closures with the managing agency before you travel, especially in winter and early spring.

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