Bardiya National Park is considered as one of the most picturesque national parks in Asia, it full of rich and diverse flora ad fauna. It is the largest wildlife reserve in tarai region of Nepal. The park was named as the Karnali Wildlife reserve in 1977 and two years later it was turned into the Bardiya National Park with an increased area of 968 sq km. In 1989 the park was renamed as Bardiya National Park. About 70% of this sub-tropical jungle is thickly forested with sal trees and carpeted with grass, savannah and riverine vegetation.

The park conserves 54 species of mammals, 25 species of reptiles, over 60 species of fishes and over 400 species of birds. In l986, thirteen one-horned rhinos were relocated to this national park in the course of finding a suitable alternative habitat for the pachyderms. Twenty-five more pachyderms were added there in 1991 and 14 more just last year. Their total number now stands at 73. Likewise, baby gharials hatched at Kasara hatchery of the Chitwan National Park have also been released in Babai and Karnali river who criss-crosses eachother almost in the middle of the park.