There is a swimming beach with a beach house at Lake O' the Dalles. Lifeguards are not provided. Use caution when wading in unknown waters as water depth may change abruptly. Cliff jumping is prohibited on the entire St. Croix River and swimming is not allowed up river from the boat launch.
Boating, canoeing and kayaking
Only nonmotorized craft are allowed in Lake O' the Dalles. There is a boat launch on the St. Croix River and Lake O' the Dalles. Canoe rentals are available outside the park.