Ike Kinswa State Park is a public recreation area on the northern side of Lake Mayfield, located 3 mi northwest of Mossyrock in Lewis County, Washington. The state park covers 421 acre that include 46000 ft of shoreline mostly along the Tilton River including the point where the Tilton and Cowlitz rivers once merged. The park offers boating, fishing, swimming, waterskiing and windsurfing plus facilities for camping, hiking, and mountain biking, It is managed by the Washington State Parks and Recreation Commission.

History

The park came into existence with the construction of the Mayfield Dam in 1963. The park's original name was Mayfield Lake State Park and was changed in 1971 to Ike Kinswa State Park. A member of the Cowlitz Indian Tribe, Kinswa was awarded a land patent of 165 acre from President Benjamin Harrison during the early formations of the Harmony, Washington community.