Belfair State Park
Hood Canal’s Saltwater Tidelands — Unique Warm-Water Swimming Pool Fed by Creek, 184 Campsites, 3 Yurts, Shellfish Harvesting, Olympic Peninsula Gateway, Mason County WA
Belfair State Park is a state park at 3151 NE State Route 300, Belfair, Mason County, Washington, on the shores of Hood Canal. The park features 3,720 feet of saltwater shoreline on Hood Canal’s Lynch Cove, a unique warm-water swimming area where Big Mission Creek flows into the tidelands, 184 campsites with hookups, 3 yurts, over 3 miles of hiking trails, saltwater tidelands for shellfish harvesting, and proximity to Olympic Peninsula attractions.
Belfair is Hood Canal’s family beach — where Big Mission Creek meets the saltwater tidelands, the water warms naturally in shallow pools, creating a unique “natural swimming pool” effect perfect for children. The 3,720 feet of saltwater shoreline provide shellfish harvesting when tides are right.
As a gateway to the Olympic Peninsula, Belfair is perfectly positioned for day trips to Olympic National Park, the Theler Wetlands, and Hood Canal’s legendary oyster bars.
Things to Do
- Warm-water swimming — creek/tideland natural pool
- Shellfish harvesting — Hood Canal tidelands
- Camping — 184 sites + 3 yurts
- Hiking — 3+ mi trails through forest
- Beachcombing — 3,720 ft saltwater shoreline
- Wildlife viewing — birds, marine life
- Olympic Peninsula — day trip gateway
Park Information
| Feature | Details |
|---|---|
| Location | 3151 NE SR 300, Belfair, WA 98528 |
| Shoreline | 3,720 ft — Hood Canal saltwater |
| Sites | 184 campsites + 3 yurts |
| Swimming | Warm creek/tideland natural area |
| Managed By | Washington State Parks |
| Coordinates | 47.4328° N, 122.8750° W |
Frequently Asked Questions
Nearby Attractions
Theler Wetlands — 3 miles south in Belfair — offers 4 miles of boardwalk through freshwater and saltwater wetlands. Twanoh State Park is 8 miles northwest on Hood Canal. Olympic National Park access is 45 miles west. Bremerton — 25 miles north — has the Puget Sound Navy Museum and Kitsap Transit ferry to Seattle.
Can you swim at Belfair State Park?
Yes — Belfair State Park in Mason County, Washington, has a unique warm-water swimming area where Big Mission Creek meets the Hood Canal tidelands, creating naturally heated shallow pools. The park features 3,720 feet of saltwater shoreline, 184 campsites, 3 yurts, hiking trails, and shellfish harvesting on the Hood Canal tidelands. Located on the Olympic Peninsula near Belfair.
Last updated: May 2026
