Release & Monitoring

Once orangutans have fully recovered and those born at Sintang Orangutan Center are released back into the wild under IUCN and Ministry of environment and forestry protocols at our primary release site at Betung Kerihun National Park, West Kalimantan.
Betung Kerihun National Park
The potential release forest is the Betung Kerihun National Park, 7 hours from Sintang. which is 816.693 Hectares. Betung Kerihun National park, which has been a national park since 1995, contains 816.693,40 Ha of pristine rainforest. This is 5,5 % of the total surface of West Kalimantan. The Betung Kerihun National park is divided in 4 areas. There is still a population of wild orangutans living in one of these areas; called Embaloh area. The last orangutan population survey that was conducted in 2014 by Forina , WWF and Betung Kerihun National Park counted an estimated 773 wild orangutans who are living in this area.

Embaloh and Mendalam

Area Although the Embaloh area is the only area in the national park that still contains a wild orangutan population, a wider area would be suitable for orangutans to live. One of these areas is called Mendalam area (94.523 Ha), which is the location of the planned release site.  The habitat in Mendalam area could accomodate at least 940 orangutans (assuming 1 individual needs about 100 Hectares of rainforest).