This national park takes its name from the towering Gunung Leuser with a height of 3404 meters above sea level in Nanggroe Aceh Darussalam. This national park covers the natural ecosystems of the coast to high mountains covered by dense forest typical of tropical rain.
The first national park was officially designated as a national nature reserve based on the Decree of the Minister of Forestry in 1980.
Famous tourism object in this national park is the area of Bukit Lawang Orang Utan Reserve, in Langkat Regency, North Sumatra.In addition, the park also received attention due to rampant cases of illegal logging that violates the reservation environment. One of the deadly consequences of illegal logging is a flash flood that destroyed the tourist area of Bukit Lawang a few years ago.