Lake Chelan State Park is a 139-acre public recreation area on the southwest shore of Lake Chelan in Washington, east of the Cascade Mountains. Established through the state’s first land purchase in 1942 and opened in 1943, it has long provided a simple outdoor destination focused on the lake. Its lakeside setting offers easy shoreline access and wide views, while its facilities support camping, picnicking, and hiking. The park is especially valued for combining land-based recreation with boating and other water activities, serving both day visitors and longer stays as part of Washington’s state park system.