Si Nan National Park The area is approximately 583,750 acres or 934 square kilometers. Covering an area of Wiang Sa, Na Noi and Na thousand. Hills and trending in a north - south. Parallel to the westSplit into East and West Coast and East Coast River in a mixed forest and deciduous forest.Mountain region consists of evergreen forest, dry evergreen forest, he found many rare wild animals like leopard, panther, peacock, which contains several herds of deer, bears, coyotes and wolves are wild animals. Many important types of red bull and bull elephants, which migrate through the contact zone Africa - Democratic Republic. Kidney LAO