Jaldhaka River
The Jaldhaka River (Pron:/ˌdʒælˈdɑːkə/), also known as Dichu, is a tributary of the Brahmaputra and a trans-boundary river flowing through India, Bhutan and Bangladesh with a length of 233 kilometres. It originates from the Bitang Lake at Kupup, Gangtok District, Sikkim, near the Jelep La pass below Dongkya Mountain Range.