Lilliwaup State Park
Washington

Lilliwaup State Park

Lilliwaup, Washington
Available Activities
  • Hiking
  • Camping
  • Swimming
  • Fishing
  • Rock Climbing
  • Picnicking
  • Mountain Biking
  • Snowshoeing
  • Beachcombing
  • Whale Watching
  • Kayaking
  • Biking
Verified by America’s State Parks Editorial Team – Updated March 2026

Lilliwaup State Park is a public state park in Washington near Lilliwaup in Mason County County. The park offers a peaceful retreat into nature for visitors of all ages.

Quick Facts

StateWashington
Nearest CityLilliwaup
CountyMason County

Location & Getting There

Lilliwaup State Park is located near Lilliwaup, Washington. The park’s coordinates are 47.4625769, -123.1158996.

Things to Do

Washington state parks offer an incredible diversity of outdoor recreation — from the rain-soaked old-growth forests of the Olympic Peninsula to the volcanic landscapes of the Cascades, the arid canyonlands of Eastern Washington, and the island-dotted waters of Puget Sound. Popular activities include hiking through moss-draped temperate rainforests, beachcombing on wild Pacific shores, kayaking through the San Juan Islands, camping beneath towering Douglas firs, fishing for salmon and steelhead in glacier-fed rivers, rock climbing basalt columns, mountain biking forested trails, and cross-country skiing in winter. Many parks also offer historical interpretation, including military forts, pioneer homesteads, and Native American cultural sites.

Best Time to Visit

Washington’s outdoor season varies dramatically by region. Western Washington (including the coast and Puget Sound parks) is driest and warmest from June through September — this is peak season. Spring and fall bring fewer crowds and mild temperatures but expect rain. Eastern Washington parks enjoy more sunshine year-round, with hot summers and cold, snowy winters. The San Juan Islands are best visited May through September for whale watching (orcas) and calm seas. Mountain parks in the Cascades open as snow melts, typically July through October. Winter transforms many parks into cross-country skiing and snowshoeing destinations. Always carry rain gear west of the Cascades, regardless of season.

Visitor Tips

Washington state parks require a Discover Pass ($30/year or $10/day) for vehicle access. Purchase one online through the Washington State Parks website before your visit — it covers all 100+ state parks. Camping reservations are made through the state parks reservation system up to 9 months in advance. Popular parks like Deception Pass and Cape Disappointment book months ahead for summer weekends. Many parks in the San Juans and islands are accessible only by ferry or boat — check Washington State Ferries schedules in advance. Cell service can be unreliable, especially on the coast and in mountain parks.

Frequently Asked Questions

What is a Washington Discover Pass?

The Discover Pass ($30/year or $10/day) is required for vehicle access to all Washington state parks and recreation lands. It can be purchased online, at park entrance stations, or at licensed vendors.

What is the most visited state park in Washington?

Deception Pass State Park on Whidbey Island is the most visited state park in Washington, famous for its dramatic bridge spanning the narrow gorge and stunning views of Puget Sound and the San Juan Islands.

Can I camp on the San Juan Islands?

Yes, several San Juan Islands parks offer camping, including Moran State Park on Orcas Island and Spencer Spit on Lopez Island. Accessible only by Washington State Ferries — book ferry reservations early in summer.

What is the best time to visit Washington state parks?

June through September offers the driest conditions west of the Cascades. The coast can be enjoyed year-round (winter storm watching is popular). Always carry rain gear when visiting parks west of the Cascades.

Explore More Washington State Parks

Lilliwaup State Park is one of many outstanding state parks in Washington. Discover more parks in our Best State Parks in Washington guide, or use our Park Finder to search by activity, location, or features.

Wildlife & Nature

Lilliwaup State Park — a day-use area on Hood Canal in Mason County — provides beach access along the 65-mile glacial fjord. Hood Canal’s nutrient-rich waters support Pacific oysters, manila clams, and Dungeness crab (harvestable with WDFW license during open seasons). Harbor seals swim in the canal. Bald eagles perch in the tall conifers above the shoreline. The park’s beach offers views of the Olympic Mountains across the canal. Great blue herons fish the shallows at low tide. Hood Canal is known for occasional low-oxygen events — fish kills in late summer due to natural fjord circulation patterns.

Nearby Attractions

Hoodsport — 5 miles south — has the Hoodsport Winery and is a gateway to Lake Cushman. Staircase entrance to Olympic National Park is 20 miles west. Potlatch State Park — 10 miles south — offers additional Hood Canal beach access. Twanoh State Park — 5 miles north — has Hood Canal swimming and picnicking.

Sarah Mitchell

About the Author

Outdoor Editor & Trail Expert

Sarah Mitchell is an outdoor writer and trail researcher with over 8 years of experience exploring state parks across America. As the lead editor at AmericasStateParks.org, she has personally visited more than 200 parks in 42 states, logging thousands of trail miles and hundreds of campground nights. Sarah specializes in detailed park guides, accessibility information, and family-friendly outdoor planning. Her work focuses on helping first-time visitors feel confident and well-prepared for their state park adventures.

200+ state parks visited across 42 states | 8+ years of outdoor writing

Last updated: May 12, 2026

Park Location

Lilliwaup, Washington