The park covers a pristine area with a unique ecosystem of significant value to the world. It contains the Churiya hills, ox-bow lakes and flood plains of Rapti, Reu and Narayani rivers. The Sal forests dominate the vegetation of the park. The grasslands form a diverse and complex community with over 50 species, the Sacchurun species, often called elephant grass, can reach 8m in height. The park boasts of more than 43 species of mammals, 45 species of amphibians and reptiles and 450 species of birds in the park. The park is renowned for endangered animals along with many other common species.
