Betung Kerihun National Park, The Largest National Park in West Kalimantan

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Betung Kerihun National Park (previously Bentuang Karimun) or Taman Nasional Betung Kerihun (TNBK) is the largest national park in West Kalimantan province, Indonesia. It is situated in Kapuas Hulu, along the Malaysian border. The park was established in 1995, and has a total area of 8,000 km2. Together with the 2,000 km2 Lanjak Entimau Wildlife Sanctuary in Malaysia, it has been proposed to form a World Heritage Site named the "Transborder Rainforest Heritage of Borneo".

Betung Kerihun National Park is hilly and mountainous topography, with altitudes ranging from 150 m to almost 1,800 m. The topography is characterized by steep slopes, with more than half of the park area having slopes over 45%. The highest peaks are Mount Kerihun (1,790 m) and Mount Lawit (1,767 m). Expanse of hundreds or rivers are prominent characteristic of TNBK. The park is located at the headwaters of the Kapuas River. The park largely consists of two ecoregions, Borneo montane rain forests, which covers about 2/3 of the area, and Borneo lowland rain forests.

Betung Kerihun National Park with unique landscape and high biodiversity has several attractions and challenging tourist destination. It is the best moment to explore the potential of biodiversity or around the area are still widely open.

In the lowland forests the dominant emergent tree is dipterocarp species, which are replaced at higher altitude with oaks (Quercus and Lithocarpus ssp.) and chestnut trees (Castanopsis ssp.). At least 97 species of orchid and 49 species of palm have been identified in the Park.

The fauna of the park is rich, with 300 species of bird (25 endemic to Borneo), at least 162 fish species and at least 54 mammals. The park is home to endangered Bornean orangutan and seven other primate species: Müller's Bornean Gibbon, White-fronted Surili, Maroon Leaf Monkey, Southern Pig-tailed Macaque, Crab-eating Macaque, Sunda Loris and Horsfield's Tarsier.

Several Dayak tribes, including Dayak Iban, Dayak Taman, and Dayak Bukat live in the park. There are 12 villages in and around the park, 2 of which are located inside the park (Nanga Bungan and Tanjung Lokang) and 6 are adjacent to the park boundary. They live from hunting, collecting non-timber forest products and subsistence farming based on a pattern of shifting cultivation.