Bantimurung-Bulusaraung National Park is known as the second-largest karst area in the world. Other than being home to the famous Rammang-Rammang karst area, it also boasts dozens of prehistoric caves, unique animals such as Sulawesi moor macaque, red-knobbed hornbill, cuscus and Sulawesi palm civet, as well as endemic butterfly species such as Papilio blumei, Papilio polytes, Papilio sataspes, and Graphium androcles.
Unique Flora: It is the habitat of Celebes endemic species, Dyospiros celebica or it is well-known as Ebony. Other protected species are Livistona chinensis, Livistona sp., Ascocentrum miniatum, and Phalaenopsis amboinensis which are known as palm and orchids. In the park can be found approximately 683 species with 14 families from monocotyledon class and 86 families from dicotyledonous class.