Lake Ouachita State Park is a 360 acre public recreation area located 10 mi northwest of Hot Springs, on the eastern side of Lake Ouachita, which at 40000 acre is the largest man-made lake located entirely within the state of Arkansas. In addition to its recreational offerings, the park preserves the site of the historic Three Sisters springs which were once touted for the curative properties of their mineral waters.

Activities and amenities

Park amenities include a visitors' center, restaurant, cabins and campsites, marina, swimming area, hiking trails, boat ramps, and interpretive exhibits.