Nepal is a mountainous and land- locked country is the centre of beautiful scenery of the world. The country lies in the south of the Himalayan range and many rivers are originated from the Himalayas. The main source of rivers, are rain, snow and lakes. During summer, snow melts and due to this throughout the year our rivers are seen full of water. The rivers are originated from the north and mix up with the Gangas river. Undoubtedly, Nepal is rich in water resources. Water resource is one of the important factors among 5 elements which are essential for our life. So, the life of anybody can’t be imagined without water. We have a large number of rivers and most of them are originated from the Himalayas. In the eastern part of our country, the Saptakoshi river flows, which is composed of seven tributaries: Indrawati, Sunkoshi, Tamakoshi, Dudhkoshi, Likhu, Tamar, Arun. Gandaki which has 7 tributaries flows in the middle of the country. The Karnali is famous in west. Besides these Mahakali, Babai, Rapti, Bagmati, Karnali, Bhadramati, Vishnumati, Rudramati etc. are the important rivers of Nepal. All these rivers have vast masses of water which need to be utilized. The Bagmati River originates high in the Shivapuri Hills near the village of Bagdwar some 15 kilometers north of the Kathmandu Valley. The river flows through the heart of the Kathmandu Valley and continues downwards through the southern plains to join the Holy Ganges in India. The Bagmati River passes by the holy Pashupatinath Temple, a religious symbol not only for theHindus living in Nepal but also for devotees in India and other South Asian countries.