Lake Easton State Park
Washington

Lake Easton State Park

Easton, Washington Official Website
Available Activities
  • Camping
  • Swimming
  • Fishing
  • Boating
  • Bird Watching
  • Snowshoeing
  • Cycling
  • Paddling
  • RV
  • Winter Sports

⛺ Trusted Guide to Washington’s Cascade Foothills Lake – Updated 2025

A Mountain Lake Along the Iron Horse Trail

In the eastern foothills of the Cascade Range in Kittitas County, Lake Easton State Park spreads across 697 acres with 24,000 feet of shoreline on Lake Easton — a reservoir nestled among evergreen forests near Snoqualmie Pass. Located at the junction of I-90 and the historic Iron Horse Trail (John Wayne Pioneer Trail), this park bridges summer water recreation and winter snow sports. In warmer months, families camp, swim, fish, and paddle the lake; in winter, the park transforms into a hub for cross-country skiing, snowshoeing, and snowmobiling on groomed trails into the surrounding Cascade terrain.

Year-Round Recreation

  • Swimming: Designated swimming area on the lake — warm enough July through August
  • Fishing: Trout, bass, and perch in the lake — Washington license required
  • Iron Horse Trail: Paved multi-use trail for cycling, hiking, and horseback riding connects through the park
  • Cross-country skiing & snowshoeing: Winter trails through snow-covered Cascade forest
  • Snowmobiling: Access to groomed snowmobile routes from the park

Camping

The park offers over 135 campsites for tents and RVs (many with full hookups), plus primitive walk-in sites. Open year-round for winter camping enthusiasts — though services are limited in the cold months.

Practical Tips

  • From Seattle (80 miles): Take I-90 East to Exit 70, just past Snoqualmie Pass
  • Entry fee: Discover Pass required ($11.50/day or $35/year)
  • The lake is at 2,200 feet elevation — nights are cool even in summer, bring layers
  • Winter camping is available but requires snow-ready gear and self-sufficiency
  • The Iron Horse Trail runs through the park — rent bikes in nearby Cle Elum
  • Combine with Snoqualmie Pass ski areas in winter or Cle Elum Lake in summer

Things to Do

Washington state parks offer incredible diversity — from rain-soaked old-growth forests and volcanic Cascade landscapes to arid canyonlands and island-dotted Puget Sound waters. Popular activities include hiking through temperate rainforests, beachcombing on wild Pacific shores, kayaking the San Juan Islands, camping beneath towering Douglas firs, fishing for salmon and steelhead, and cross-country skiing in winter.

Best Time to Visit

Western Washington is driest June through September. Eastern Washington enjoys more sunshine year-round. The San Juan Islands are best May through September. Mountain parks open as snow melts, typically July through October. Always carry rain gear west of the Cascades.

Visitor Tips

A Discover Pass ($30/year or $10/day) is required for vehicle access. Popular parks like Deception Pass book months ahead. Many island parks are accessible only by ferry — check schedules in advance.

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

Lake Easton 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.

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: February 20, 2026

Park Location

Easton, Washington