REGULATION Gov. Regulation Decree of Ministry of Environment and Forestry Number 103/MenLHK-II/2015 Date … … 2015 Large (Hektar) 1.094.692 Technical implementation Unit Balai Taman Nasional Gunung Leuser Note Mt Leuser National Park is established by the Government of Indonesia as a national nature reserve since 1980, then determined by UNESCO as a biosphere reserve (2004).Based