Sacajawea Historical State Park

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Imagine standing at a place where Native American people encountered the Lewis and Clark Expedition on its westward journey.

On Oct. 16, 1805, the Corps of Discovery arrived at the confluence of the Snake and Columbia rivers, the site of today’s Sacajawea Historical State Park. They camped for two nights amidst a thriving community of Native American

As most Washingtonians know, a Shoshone woman named Sacagawea* was instrumental in the Expedition’s success. Not only did she work alongside the men, she was an interpreter and an emissary of peace between the white explorers and Native American tribes.

Central to the park named for her is the Sacajawea Interpretive Center. Open April 1 to Oct. 31, (call 509 520-4013 for hours), the museum features interactive exhibits on the Corps of Discovery, Sacagawea and the Sahaptian-speaking tribes of the region. Stroll the green, tree-shaded grounds, and read the seven story circle installations by internationally known artist Maya Lin.

Once you’ve absorbed this fascinating history, head for the beach. Depending on the season, hundreds of birds flock to these inland waters, and boaters enjoy the two rivers, while kids play on the lawns and parents relax.

As evening falls, stand on the riverside, and picture the area as it must have been in 1805. If you weren’t a Lewis and Clark buff before, you may find your curiosity piqued by this interesting park.

Park features

Sacajawea Historical State Park is a 267-acre day-use park at the confluence of the Snake and Columbia rivers.

*Recent scholarly research and study of the original journals indicate that both the preferred spelling of this historical figure’s name is "Sacagawea," and her name is spoken with a hard "g" sound. Because the park has been known as Sacajawea for many decades, the "j" spelling is retained. Elsewhere in brochures, exhibits, and programs, the "g" is used - Sacagawea.

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.

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

ADA amenities/facilities

  • Restroom
  • Hiking trail

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

Picnic & day-use facilities
The park offers one kitchen shelter with electricity and a large barbecue grill, one kitchen shelter without electricity, and 130 unsheltered picnic tables. One of the shelters can accommodate up to 200 people. 

For information or reservations, contact:

Betsy Wells


Audra Sims
(509) 337-6457



  • 1.2 miles of hiking trails
  • 0.5 mile ADA-accessible hiking trail

Water activities & features

  • 70 feet of moorage
  • 200 feet of dock
  • Boating
  • Fishing (freshwater)
  • Personal watercraft use
  • Swimming
  • Watercraft launches (2)
  • Waterskiing

Other activities

  • Bird watching
  • Horseshoe pits (2)
  • Interpretive activities
  • Volleyball field
  • Wildlife viewing

Interpretive opportunities

The park has many outdoor self-guided interpretive displays, as well as framework representations of Native American dwellings. Along with the on-site Sacajawea Interpretive Center, the park provides guided tours by a park interpretive specialist. Park is open April - November. Interpretive Center & Interpretive programs available during off season by appointment.  To book an appointment please call the park at 509-545-2056.

Additional information