Murung Raya Regency is the most northerly of the thirteen regencies (kabupaten) which comprise the province of Central Kalimantan on the island of Borneo, Indonesia. The capital of the Regency is Puruk Cahu. Prior to the 2002 reorganization, this regency was part of the North Barito Regency. The Regency had a population of 96,857 inhabitants at the 2010 Census (an increase from 74,050 within the current area at the previous Census in 2000); the latest official estimate (as at January 2014) is 103,712. This Regency consists of ten districts (kecamatan), 124 villages and 9 villages:

1. Murung
2. Tanah Siang
3. Laung Tuhup
4. Permata Intan
5. Sumber Barito
6. Sungai Babuat
7. Tanah Siang Selatan
8. Barito Tuhup Raya
9. Seribu Riam
10. U’Ut Murung

The Regency has an area of 23,700 km² and it lies between 114°27’00 to 115°49’00 East longitude and 0°58’30 North latitude to 1°26’00 South latitude. It occupies the valleys and foothills of the southern slopes of the and the eastern slopes of the Müller Mountains, and rises to 1730 m. at Mount Lesung on it northern border. Most of the riverine area lies at an altitude of 100 to 200 m above sea level while the foothills are mostly at an altitude of 400–500 m. The Betikap and Sepathawung valleys, in the northwest part of the Regency have been declared protected areas for orangutans.[1] The Tumbang Topus caves have been the source of discovery of a number of new species. Most of the population lives along rivers and relies on them for transportation, food, and agriculture. Aside from the predominant subsistence fishing and farming, the biggest contributors to the economy are forestry and mining. Timber, including high value trees such as Ulin (Eusideroxylon zwageri) and Meranti (genus Shorea), has been commercially extracted since the 1920s, while the mining sector, such as gold and tin mining, has developed since World War II. In the 1990s coal exploration began, and in the 2000s the Haju coal mine started to be developed.

Besides a wealth of biodiversity and a variety of ecosystems, Murung Raya is also rich in natural resources, vast stands of commercial timber, and extensive coal and gold deposits. Forests in the remote mountainous periphery of the district are protected, but large areas of the remaining lowland dipterocarp forest are allocated to timber and mining companies. Presently, the level of timber and coal extraction is relatively low, but coal exploitation is likely to increase dramatically in the near future. Influencing operational standards of these industrial land users is key to ensuring that conservation needs are integrated in the regional economic development model.

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