The Koshi Barrage on the Koshi river (two-hour drive) is a remarkable sight. Biratnagar is the hub of air routes in eastern Nepal.The largest rhododendron forests of Tinjure, Milke and Jaljale can be reached in about 3-4 hours. Scenic treks with views of Mt. Makalu and Kanchenjunga can be started from the small towns of Basantapur or Tumlingtar.