Sacajawea Historical State Park is a 284-acre inland waters, day-use park at the confluence of the Snake and Columbia rivers. It features 9,100 feet of freshwater shoreline. The area is spread out with a big sky and excellent views of the two rivers as they flow together. The park features the Sacajawea Interpretive Center, where visitors can learn about the story of the Lewis and Clark expedition through the experiences of Sacagawea, the young Shoshone Indian woman who accompanied the expedition.
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.
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, call the park office at (509) 545-2361.
1.2 miles of hiking trails
0.5 mile ADA-accessible hiking trail
Water Activities & Features
70 feet of moorage
200 feet of dock
Two boat ramps
Personal watercraft use
Two horseshoe pits
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. For times and dates, call the park at (509) 337-6457.
The park has two boat ramps and 200 feet of dock. The boat launch is in a small, protected lagoon.
Launching a boat at a state park requires one of the following: • An annual launch permit (Natural Investment Permit); or • An annual Discover Pass and a daily launch permit; or • A one-day Discover Pass and a daily launch permit.
A daily watercraft launching permit at a special reduced rate of $5 and a trailer dumping permit for $5 may be purchased at the park.
Annual permits also may be purchased at Washington State Parks Headquarters in Olympia, at region offices, online, and at parks when staff is available.
The park provides 70 feet of moorage. Moorage fees are charged year-round for mooring at docks, floats, and buoys from 1 p.m. to 8 a.m. Daily and annual permits are available. For more information, call 360-902-8844.
Latitude: 46° 12' 0.36" N (46.2001) Longitude: 119° 2' 25.79" W (-119.0405)
Sacajawea is a day-use park, but it does have one Northwest Discovery Water Trail campsite. The water trail campsite is available on a first-come, first-served basis. It accommodates eight people and may only be used by those arriving by boat when traveling down the river (support vehicles are permitted). Groups larger than eight people may contact the park at 509-545-2361 for more information. Overnight moorage is allowed year-round, but no restroom facilities are available October through March.