Gunung Leuser National Park is a large national park covering 1.094.962 hectares in northern Sumatra, Indonesia, located at the border of the provinces of North Sumatra and Aceh. The park is named after one of its highest point, the 3,381m Mount Leuser (Gunung Leuser). The highest point in the park is "Puncak Tak Punya Nama (The peak with no name)".
There are several interesting things to see inside Gunung Leuser National Park, such as untouched tropical rainforest, highland forest, and some wild animals, especially primates. Seeing the orangutans is a magical experience. You can usually see them near the rehabilitation centre and at the feeding platform during the morning and afternoon feeding sessions.
The best experience is an encounter in the jungle where there are many semi-wild and wild animals. The wild orangutan can be difficult to spot unless you go deep into the jungle. There are also white and black gibbons that make an amazing noise calling out to each other, and thomas leaf monkeys. If you are lucky, you may be able to see hornbills, leopard cat, various snakes, and monitor lizards. Since there are very few still alive, it is very improbable that either the Sumatran tiger or the Sumatran Rhinoceros will be encountered, although footprints and droppings have been reported many times. Gunung Leuser National Park is also a representative type of coastal forest ecosystems, and tropical rainforest lowlands to the mountains. Types of rock are composed of sedimentary rocks, volcanic rocks, limestone, rock pluton, rock alluvium and soils of Leuser are dominated by brown podzolic, podzolic and litosol.
Bukit Lawang is the name of a village located in the west part of North Sumatra province and on the edge of Gunung Leuser National Park, Indonesia. Bukit Lawang is a popular tourist destination located on the edge of the Gunung Leuser National Park, a UNESCO World Heritage Site home to numerous bird, plan and mammal species, most famously the Sumatran orangutan (Pongo abelii), Sumatran rhinoceros (Dicerorhinus Sumatrensis) and Sumatran tiger (Panthera Tigris Sumatrae) which can be seen in the jungle of Bukit Lawang.
Landak river is located 2 km from Bukit Lawang. Landak river which known well with its ecotourism area have become a new discourse of tourism in Gunung Leuser National Park. Landak river is bordering Gunung Leuser National Park offers incredible natural views, quiet and peaceful.
Selang Pangeran is a new tourism place located 4.5 km after Bohorok or 5 km before the main stream of Bukit Lawang. Bordering directly Gunung Leuser National Park made Selang Pangeran frequented by various wild animals from National Park such as tiger, orangutan, elephant, bear and various monkeys. There are no semi-wild animals in Selang Pangeran. You can find tiger footprints if you go 3 - 4 km deep into the jungle, but you need a real professional guide in this case.
Batu Katak is located 10 km to the southeast from Bohorok while Bukit Lawang is located 10 km to the northeast from Bohorok. Batu Katak is also bordering Gunung Leuser National Park, Batu Katak has same flora and fauna that you can find in Bukit Lawang. Batu Katak is also running pure ecotourism program. It could be seen from step by step locals started to realize, that pure and clean ecotourism activities can give better livelihood than just planting the palm oil and rubber plantations. Batu Katak is famous with its various snakes and rare plants, some of rare plants that can be found in Batu katak are Amorphophallus Titanum and Rafflesia Arnoldii.