Ngũ Hành Sơn (Non Nước Mountain): is famous for its beautiful caves and majestic natural landscapes that contain cultural, historical and spiritual values. It consists of 5 limestone mountains jutting out along the coast called Thuy Son (the largest and most beautiful mountain), Kim Son, Moc Son, Tho Son and Hoa Son (divided into 2 tops), each containing own beauty, distinctive shape.