The Zamrud National Park located in Siak Riau is on a peatland area of 31,480 hectares. There are two lakes adorning, Danau Besar Island (2,416 hectares) which consists of four islands namely Besar Island, Tengah Island, Bungsu Island, and Beruk Island; and Danau Bawah which covers 360 hectares.

Different types of liar animals here. Based on data from the Natural Resources Conservation Agency (BKSDA) Riau received 38 species of birds of which 12 species were protected, and fish species such as arowana and belida.

The long process of forming the national park. Since 2001, the Siak District Government has approved this area as a national park which finally materialized 15 years later.