Between 1995 and 2000, an American expedition team from National Speleological Society surveyed Gunung Buda (Mount Buda).[9] In these expeditions, Deliverance Cave was discovered.[2] In 2000, Gunung Mulu national park was declared a UNESCO World Heritage Site. Covering an area of 52,864 hectares (528.64 km2), it is the largest national park open to tourists in Sarawak.[10] In 2001, Gunung Buda National Park was gazetted by the Sarawak government.[11]