Originating at Nanda Devi, Rishi Ganga River flows through Uttarkashi District of Uttaranchal. The river is joined by River Dhauli on its downwards course. Rishi Ganga finds its way through two gorges. The first one is over two ridges, Dharanshi and Malathuni, near Lata Village. The second gorge is a precariously rocky terrain. Two glaciers are also located in the river, Nanda Devi North and Nanda Devi South. From these two glaciers in Rishi Ganga River, several snow-melted streams originate which later merge with Dhauliganga at Raini. Rishi Ganga merges with Alaknanda River near Joshimath.