Ranong consist mountains and the sea Mountain, about 86 percent of the space on the plains and mountains of Phuket, about 14 percent of the space is divided into two zones: 1. Mountain and higher. On the east side of the province The mountains are a continuation Tanaosri posing in direction from north to south. And slope to the sea It is important that the source watershed Kraburi Canal Canal La-un 2. the coastal plain. The area to the west of the province The area was swamped plains. Which is topped by a narrow width of about 5-20 km coastline and its charming riverside. The waters around the islands are about 62 islands such as Koh Payam Koh Ngai, Koh Lao Thai island bat and so on.