Sacajawea State Park is a 284-acre (115 ha) Washington state park located at the confluence of the Snake and Columbia rivers in the city of Pasco. The Lewis and Clark Expedition camped at this location on October 16, 1805. The park bears name of the Shoshone woman Sacagawea who was an active member of the expedition and who was married to French-Canadian interpreter and explorer Toussaint Charbonneau. The park's Sacajawea Interpretive Center features exhibits about her and about the Lewis and Clark Expedition. Park activities include hiking, boating, fishing, swimming, waterskiing, birdwatching, interpretive programs, wildlife viewing, and horseshoes.