Chitwan National Park is the oldest and first park in Nepal. It was established in 2030 B.S. (1973AD) following approval by the late King Mahendra in December 1970. This park lies in the plain area of the mid-south region of Inner Terai. This previously, Royal Chitwan National Park, was designated as a World Heritage Site in 1984.
It is in the heart of the jungle of Terai. Its total area is 932 square kilometers. It is one of the most important sub-tropical lowland parks in Nepal. It has been included in the list of World Heritage Site in 2041 B.S. (1984 AD.). It ranges from about 100 meters or 330 ft. in the altitude in the river valleys to 815 meters or 2,674 ft. in the Churia Hills. Chitwan national park is only 150m above the sea level. The Park is regarded as the third biggest attraction of Nepal after trekking and the Kathmandu Valley. Chitwan national park has a particularly rich flora and fauna.