Bardiya National park (968 sq. km); is the largest and most undisturbed wilderness area in the Terai. Thickly covered with sal trees and carpeted with class and savannah , the park has the second largest tiger population after Chitwan National park. Other wild animals that roam here are the one-horned rhino, wild elephant, swamp deer, black buck, antelope, Gharial crocodile, and gangetic dolphin. Endangered birds that make there home here include the Bengal florican and sarus crane. The Park headquarters is about a four hour drive from the town of Nepalgunj which is linked to the Kathmandu by road (531km) and by air 75 Minutes.