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ASEAN Heritage Parks

Gunung Leuser National Park

The Park consists of steep, almost inaccessible mountainous terrain. A part of the 2.5-million hectare Tropical Rainforest Heritage of Sumatra, which is a World Heritage Site, encompasses smaller nature reserves. Also, the Alas River runs through the Park into an eastern and western half; last place where orangutans, tigers, elephants, rhinoceros and leopards lived together. The park measures 1,092,692 hectares; North Sumatra and Nanggroe Aceh Darussalam (Southeast Aceh, South Aceh, Aceh Singkil) and Regency of Langkat, Indonesia.

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North Sumatra, Nanggroe Aceh Darussalam (Southeast Aceh, South Aceh, Aceh Singkil), Regency of Langkat
10,926.92 sq km
Date declared as an AHP
29 November 1984, at the 2nd ASEAN Ministerial Meeting, Bangkok, Thailand
Other international designations
World Heritage Site: Tropical Rainforest Heritage of Sumatra
Habitat types
Contact Information

Andi Basrul
AHP Manager
Tel.: +62 617872919
Fax: +62 617864510

Unique Flora: World’s tallest flower: Amorphophallus titanium (when flowering), A. gigas (non-flowering phase); the world’s largest flower: Rafflesia (rafflesia arnoldi); Daunpayung raksasa (Johannesteijsmannia altifrons); Rhizanthes zippelnii.

Unique Fauna: Sumatran rhinoceros (Dicerorhinus sumatrensis); Sumatran tiger (Panthera tigris); Asian elephant (Elephas maximus); white breasted Thomas leaf monkey (Presbytis thomasi); siamang(Symphalangus syndactylus), Sumatran ground cuckoo (Carpacoccyx viridis); and white bellied sea eagle (Haliaetusleo cogaster).

Habitat Types: Lowland evergreen dipterocarp forest; lower and upper montane forest; peat swamp; forest over limestone, sub-alpine meadows and heathlands; freshwater lakes and rivers; sulphur mineral pools.

Visitors can join in a variety of wildlife ecotourism activities like wildlife viewing, jungle trekking, river rafting and caving. The Gunung Leuser National Park also offers adventures such as horseback riding, mountain climbing, trekking, kayaking, and canoeing.

For those who prefer to have a cultural experience, present are different ethnic groups who use natural resources such as wood, dammar, rattan and fish for income.

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