The National Park with an area of 754 sq. km. is located in Kullu District and has the representative area of temperate and alpine forests of Himachal. It has some the virgin coniferous forests of the State. Vast areas of alpine pastures and glaciers cap this park. This area has many important wildlife species of Western Himalayas, like Musk deer, Brown bear, Goral, Thar, Leopard, Snow leopard, Bharal, Serow, Monal, Kalij, Koklas, Cheer, Tragopan, Snow cock etc. Trekking of Rakti-Sar, origin of Sainj river and camping in alpine pastures is unforgettable. Similar is the trekking route to Tirath the origin of Tirthan river.