<P> The Tropical Rainforest Heritage of Sumatra site was inscribed as a UNESCO World Heritage site in 2004 . It comprises three Indonesian national parks on the island of Sumatra: Gunung Leuser National Park, Kerinci Seblat National Park and the Bukit Barisan Selatan National Park . The site is listed under Criteria vii - outstanding scenic beauty; ix - an outstanding example representing significant on - going ecological and biological processes; and x - contains the most important and significant natural habitats for in - situ conservation . </P> <P> The Tropical Rainforest Heritage of Sumatra consists of three national parks: Gunung Leuser National Park (GLNP) (8629.75 km), Kerinci Seblat National Park (KSNP) (13,753.5 km) and Bukit Barisan Selatan National Park (BBSNP) (3568 km). The total area of the rainforest is 25,000 km . The Tropical Rainforest Heritage of Sumatra was chosen because, first, it represents significant area of forests on the island of Sumatra, because of the biodiversity, of lowland and mountain forest . This once vast island of tropical rainforest has been condensed to secluded areas, in the space of 50 years . </P> <P> Second, the national parks that make up the heritage are all located on the well - known key spine of the Bukit Barisan Mountains, known as the' Andes of Sumatra', and that all around it there are magnificent views . The mountains of each site represent important mountainous backdrops to the established and developed lowlands of Sumatra . The mixture of the stunning Lake Gunung Tujuh (the highest lake in Southeast Asia), the splendour of the giant Mount Kerinci volcano, many small volcanic, coastal and glacial lakes in natural forested settings . This shows the beauty of the Tropical Rainforest Heritage of Bukit Sumatra . </P> <P> Lastly, all three national parks have a very varied habitat and have outstanding biodiversity . Altogether the three sites make up 50% of the total plant variety, in Sumatra . At least 92 local common species have been recognized in GLNP . The nomination contains populations of both the world's largest flower (Rafflesia arnoldi) and the tallest flower (Amorphophallus titanum). The Tropical Rainforest of Sumatra has just recently become a part of the World Heritage List, in 2004 . 2.5 million hectares of Sumatra's rainforests were included on the World Heritage List of the UN Educational, Scientific and Cultural Organization (UNESCO) because of their rich and different biodiversity. (1) </P>

Where is the tropical rainforest of sumatra located