This area has high rainfall and has important hydrological function, because this area is on the upper stream of Cisadane river. Badui people live in the western part of this area, and still practise their tradisional lifestyle without influence from outside (Whitten personal communication.1991). There are around 44 villages around of area (data in 1976). Some of villages are located inside the buffer zone of Halimun National Park, and 4 villages is in the enclave (Directorate General of Tourism , undated).
Forest ecosystem in this area includes lowland and mountain forest (MacKinnon et.al. 1982).Habitat type devided into lowland rainforest (< 1000 m), lower mountain forest (1000-1500 m) and upper mountain rainforest (1500-3000 m).
Pressure/threats to key biodiversity
Gold mining, forest cutting and wildlife hunting (MacKinnon et.al. 1982)
Declared as National Park (40000 ha) based on SK. Menteri Kehutanan No. 282/Kpts-II/92 on 26 February 1992 (Anon 1997, Anon 1998). Merged with Gunung Salak (IBA JID12) as Halimun-Salak National Park based on SK Menhut No. 175, on 10 June 2003 (Kompas, 2003).