RIVER NETWORK

   Nepal is known as the second largest country after Brazil for water resourses potential. There are thousands of rivers in the country . Most of these rivers originated in the mountain , middle hill(mahabharat lekh) and in the churia hill. The rivers origination from the mountainous are the snow fed rivers. The flow of water is the river originating from the middle hills decreases during the winter . the rivers originating from the churia are non-perannial. Most of these rivers dry in winter season.

  

    These are three most important river system in Nepal . they are Koshi ,Gandaki and karnali . koshi is the longest river in Nepal . it has seven tributaries namely Arun , sunkoshi ,Tamakoshi, Dudhakoshi , Indrawati , Likhu and Tamor.Gandaki that flows in the central part also has seven main tributaries namely kali-Gandaki ,Bodhi-Gandaki , Marsyandhi , Trishuli , Seti, Mdhi and Daravdi.Similarly ,Karnali flows in the western part of the country . its main tributaries includes Humla Karnali, Mugu karnali ,Bheri , Tila and Seti .

  

   Beside these main rivers there are many other important rivers of second and third order. Some of these are Mechi, kankai, kamala, Bagamati , Tinau , Rapti , Babai, Mahakali, Ratu ,Lal –Bakaiya, Mohana, etc.