The Sentarum Lake National Park covers a vast expanse of area which includes the lake itself, wetlands, the swamps and the tropical rain forest in Kalimantan. The storm's stork (Ciconia Stormi) and arowana fish (Scleropages formusus) have been made into symbols representing the rich biodiversity of the park.

The water of Lake Sentarum, bordered by hilly areas, is reddish black in color, due to the peat forests around them. Made up of various s