Indonesia is the country with the highest mountain on the island. In General, the mountains are very high, as they often have a volcano and Plains around Mount. The high of Island is close to sea level so make some plain is filled with a swamp, which was not utilized. Indonesia has an area of approximately 59 percent of the forest area of the country is considered the country with the largest forest area in Southeast Asia because it is in Equatorial. The majority of Indonesia's forest is tropical rain forest, swamp forest and rain forest, which is both a natural water source, housing of animals which large or small, and plants too. Moreover, Indonesia is a country that faced a volcano explosion earthquake and tsunami is often because most of the country lies on the "ring of fire” or the seam of the plate tectonics with movement that cause of tremendous vibration. The soil is volcanic sources is good for cultivation, the country's resources, Indonesia is very fertile.