Chitwan National Park is the first and the most famous national park in Nepal. It is situated 120 km south-west of Kathmandu in the inner Terai region of central Nepal. The total area of this park is 932 sq. km .Royal Chitwan National Park is rich in diverse ecology. It has housed for over 400 of the endangered Asian one horned Rhinoceros and the largest population of the rare Royal Bengal Tiger.
Apart from these, leopard, sloth bear, Spotted Deer, Wild Dogs, Wild Boar, Rhesus Monkey, Gray Langur Monkey, Small Wild Cats and many small animals. The swampy areas and numerous big and small lakes of Chitwan are the home for marsh crocodiles and endangered Gharial, dolphins and many more aquatic animals are found in this region. It is a paradise for the bird watchers. Several species of woodpeckers, Bengal florican, hornbills, red headed Trogons and the winter birds such as Pintails, bar headed Geese, water Fowl and Brahminy Ducks, etc. are found in this park. During the summer months, the forest is full of nesting migrants, such as the Indian Pitta, the paradise flycatchers and Parakeets. This beautiful park holds more than 450 species of birds.