Camp Leakey, research is conducted on orangutans, gibbons, other animals and ecological processes. Orangutans are also rehabilitated and returned to the wild from this camp. Since 1971, over 200 orangutans have been returned to the wild as part of Dr. Birute Galdika's Orangutan Research and Conservation Project. The park is divided into four areas, each highlighting a different set of natural resources. They are: Tanjung Harapan. This area was developed for ecotourism, and hosts the information center, guest house, watch tower and camping ground. By traveling along the edge of the river, one can see the nipah formation, screw pine and bog forest. Hiking and bird watching are also popular. Pondok Tanggui. This area is home to pre-wild and adolescent orangutans. It hosts various kinds of animals like deer, pig, the rangkong bird (rhinoceros), Raja Udang bird and Sesep Madu bird. During journeys from Tanjung Harapan to Pondok Tanggui, one passes through the habitats of the proboscis monkey and the estuarine crocodile (Crocodylus porosus). Camp Leakey. This area is devoted to the research and rehabilitation of adult orangutans. It is suitable for witnessing pre-wild or wild orangutan rehabilitation. Other species that can be seen in this area include the Müller's Bornean gibbon (owa-owa), bald eagle, crimson sunbird (sesep madu) and hornbill (enggang or rangkong). Pantai Sungai Cabang. This area is located alongside a white sand beach. The working and maintenance huts are located here, along with guest houses, an information center, shelter, watch tower, camp ground, dock and various other tourist activities. Bugam Raya The Bugam Raya countryside includes the Kubu beach, Bay of Bogam, and the Keraya and Sungai Umbang coastal areas. Bugam Raya is a sub-province of West Kotawaringin, and is about 28 km or one hour by automobile from Pangkalan. This region is hot and desolate grassland, called "alang-alang" in Indonesia. The Kubu countryside is a coastal, and so, many of the residents are fishermen. The Sungai Umbang coast is a popular area due to its many mangrove trees. Patih Mambang Waterfall The Patih Mambang waterfall cascades from the hills and fields of the Keraya countryside into the sea. It is a popular area for diving, surfing and fishing. Sei. Cabang beach The beach in Sei. Cabang is known for its clean, white sand. It was established by the Friends of the National Parks Foundation (FNPF) as a conservation area for green turtles. Sei. Rengas Sei. Rengas