The leading feature of Nepal is Chitwan National park, formally, Royal chitwan national park was established in 1973 as a first national park of Nepal and in 1984 it was recognised as a status of world heritage site. It encloses the area of 932 km2 (360 sq mi) and is located in the subtropical inner terai lowlands of south central Nepal in the districts of Nawalparasi, Parsa, chitwan and Makwanpur. It is the hotspot for the biodiversity conservation in Nepal.
The park is very famous for the best wildlife-viewing in Asia. Annually approximately 170,112 people visit the park. Park has superlative natural features of exceptional natural beauty in terms of its scenic attractions of forested hills, grasslands, great rivers and views of the distant Himalayas. The park is holding on an example of the last natural ecosystems of Terai region. The park is home to second largest population of Greater One-horned Rhinoceros in the world, a prime habitat for the viable source population of royal Bengal tiger which is among grew sites that hold more than 100 individuals and a refuge for the remnant population of critically endangered Gharial Crocodile. Park is also home to almost 68 species of mammals, more than 576 species of birds, 49 species of reptiles and amphibians, 120 species of fishes and several species of invertebrates. Many people around the globe come to visit the park. The best way is to stay in one of the luxury lodges located edge of the park from the crowds at Sauraha.