Twanoh State Park

12190 WA-106, Union, WA, 98592

Twanoh State Park is located 182 acres near Union, Washington. It features full or partial hookup campsites that are big rig friendly. Many of them accommodate slide out RVs. The park provides free WiFi, is pet-friendly, and has a dump station.


Amenities & Activities

Campsite amenities offered include miles of natire trails, a 100-plus foot boat dock, 3,167 feet of saltwater shoreline, picnic tables, fire circles, and grills. It also includes basic amenities like restrooms with hot showers and laundry facilities. Visitors can also enjoy on-site activities such as badminton, horseshoes, volleyball, bird-watching, hiking, biking, fishing, kayaking, and canoeing.



The campground is near attractions like:

  • The Space Needle
  • Mt. Baker-Snoqualmie National Forest
  • Olympic National Park
  • Puget Sound

Last Updated: 10/25/2019


Laundry Facilities

Fire Ring / Grill

Community Restrooms

Picnic Table




Kayaking & Canoeing



12190 WA-106, Union, WA, 98592
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