Sumatera island is large with one of the biggest island in the world. The continuous mountain of Bukit Barisan, which extends from Aceh at the tip of the island of Sumatera to Lampung at the bottom of the island, guards the province on the west side, providing home for thick, tropical jungles and lush vegetations. The western mountains towards the beaches of the east, mountain streams, strong rivers, with gorgeous waterfalls.

Wildlife The Flora and Fauna in Sumatera is similar to the Asian mainland, but Sumatera has still vast rainforest and much wildlife. There are vast areas of untouched lowland rainforest and sub-mountainuous and maountain forests. Alpine vegetation occurs at the higher altitudes.

There are still time to both see and save it. The island of Sumatera can brag with several hundreds of mammals, almost 200 reptiles, over 60 amphibians, almost 300 fish species, and more than 450 bird species. Of these are 9 mammals, 30 fish species and 19 bird species endemic. Even though North Sumatera is one of the more populous provinces of Sumatera, there is still enough of wilderness for anyone. The huge national park of Leuser is shared with Aceh and there are several smaller parks. The orangutan, the Sumateran tiger, and the Sumateran rhinoceros are famous inhabitants of North Sumatera. Other friends are for example the elephant, many species of monkeys, the tapir, the honey bear and several kinds of deer. Sumatera has also 10 species of the hornbill, a bird noted for its enormous horn-tipped beak.

About 400-500 wild Sumateran tigers (Phantera tigris sumatrae) are believed to survive in Sumatera, primarily in the island's five national parks. 210 captives animals live in zoos around teh world. the Sumateran tiger is the smallest tiger sub species. Males are in an average 2.4 meters from head to tail and weigh about 120 kilograms. Females are somewhat smaller. Wild Sumateran tigers have been isolated from its relatives in the Asian mainland for about 12,000 years and has probably the most different set of genes compared to other tiger species.