Our One Bedroom Pet Friendly Cabins Douglas Lake are perfect for a honeymoon or a romantic getaway. Douglas Lake is a short distance from I-40, Pigeon Forge, and Great Smoky Mountains National Park. Douglas Lake offers 30,400 acres and 555 miles of shoreline. Gently rolling hills offer beautiful vistas from every angle. Enjoy year round activities at the lake, including boating, picnicking, fishing, camping, swimming, and bird watching. Douglas Lake welcomes two million recreational visitors each year.