The Royal Bardia National Park was established in 1988, and covers an area of 968 sq. km. It is located in the mid-far western Terai, to the east of the Karnali River. It is the largest park in the Terai lowlands. It is mostly covered with sal forest. There is also a mixture of grassland, savanna and riverine forests. Wildlife includes the one-horned rhino, tiger, black buck, gharial crocodile. Snakes, Lizards and 200 species of birds exist here.

This reserve was established in 1976. Its area is 1756 sq. km. This reserve lies in the flood plains of the Sapta-Koshi in the mid-east Nepal, and is a favorite spot for bird enthusiasts. The reserve's vegetation includes spreads of tall grass and patches of sisoo forest. The last surviving herd of wild buffaloes in Nepal is found here. Other species include wild boar, hog beer, spotted deer and blue bull called nilgai. A total of 280 species of birds, including ducks, ibises, egrets, herons and floricans, are recorded here. This area is extremely important for migratory birds. Other animal species include the crocodile, gharial and the Gangetic dolphins. Commercial fishing is also an important activity here.