 It is managed by the Department of Wildlife and National Parks, located south of Lanchang township.In the 1960s, Lord Medway led a zoological expedition to Gunong Benom (2110 m asl) which latter had attracted many scholars, biologists and primatelogists to conduct research on the eastern part of the reserve called Kuala Krau.The lowland dipterocarp forest area contains very high diversity of birds and mammals especially primates and bats.