Sun Lakes-Dry Falls State Park

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As you enter Sun Lakes-Dry Falls, you may feel like you're on another planet. The park is surrounded by one of Washington's most striking and historically significant landscapes.

Dry Falls is a geological wonder of North America. Carved by Ice Age floods more than 13,000 years ago, the former waterfall was once four times the size of Niagara Falls. Today, the 400-foot-high, 3.5-mile-wide cliff overlooks a big sky and a landscape of deep gorges and dark, reflective lakes. The park is a notable site along the National Ice Age Floods Geologic Trail.

Visitors – especially history and geology geeks – will appreciate the Dry Falls Visitor Center, where interpretive displays tell the story of the floods and their effects on Washington's landscape. Call (509) 632-5214 for seasonal hours and to arrange a tour.

The park also offers great recreation. Nothing beats the boat launch and social atmosphere of Park Lake, and shimmering Deep Lake presents a remote paddling and kayaking experience. The lure of Dry Falls Lake entices anglers to cast out for trout. Hiking trails wind through the scented, sage-dotted hills to table-top cliffs with panoramic views. The park even offers nine-hole and miniature golf for visitors who equate a desert vacation with a good game on the green.

Park features

Sun Lakes-Dry Falls State Park is a 3,774-acre camping park with 73,640 feet of freshwater shoreline at the foot of Dry Falls between Soap Lake and Coulee City.

Discover Pass: A Discover Pass is required for vehicle access to state parks for day use. For more information about the Discover Pass and exemptions, please visit the Discover Pass web page.

Automated pay station: This park is equipped with an automated pay station for visitors to purchase a one-day or annual Discover Pass and boat launch permit.

ADA amenities/facilities

  • Campground
  • Restroom

Use our interactive ADA recreation map to search for other state parks with ADA amenities and facilities.

Picnic & day-use facilities There are 90 unsheltered picnic tables, available first come, first served.



  • 15 miles of hiking trails

Water activities & features

  • 680 feet of dock
  • Boating
  • Fishing (freshwater)
  • Fish cleaning station
  • Personal watercraft use
  • Playground
  • Swimming
  • Watercraft launches (2)
  • Waterskiing

Other activities & features

  • Amphitheater
  • Bird watching
  • Commissary
  • Fire circle
  • Golf
  • Horseshoe pits (2)
  • Interpretive activities
  • Mountain biking
  • Museum
  • Wildlife viewing

Interpretive opportunities

The visitor center at Dry Falls tells the story of this amazing geological phenomenon. From lava flows to the Ice Age floods, and from the Native American legacy to the modern discovery of how Dry Falls was created, the Dry Falls story is revealed to tens of thousands of visitors each year. 

Throughout the park, roads and trails will take you to other fantastic views of geologic features and bring you closer to the desert plants and animals. The Grand Coulee, of which Dry Falls is a central feature, has been designated as a National Natural Landmark by the National Park Service. As you drive or hike through the Grand Coulee, please do your part to help preserve this national treasure. Admission is by donation, which goes toward supporting the operation of the center.

Go to the Dry Falls Visitor Center Page

Additional information

  1. Boating
  2. Camping
  3. History
  4. Maps