Yellow Bay State Park is a small public recreation area on the eastern shore of Flathead Lake in Montana, about 12 miles south of Bigfork. Covering 15 acres, it provides direct access to one of the state’s best-known lakes. People use the park for boating, fishing, camping, and swimming, while its shoreline setting also supports wildlife viewing. Though modest in size, it offers a convenient base for enjoying Flathead Lake and the surrounding landscape.