The Mandakini River is a tributary of the Alaknanda River in the Indian state of Uttarakhand. The river runs for approximately 81 kilometres between the Rudraprayag and Sonprayag areas and emerges from the Chorabari Glacier. The Mandakini merges with river Songanga at Sonprayag and flows past the Hindu temple Madhyamaheshwar at U…The Mandakini River is a tributary of the Alaknanda River in the Indian state of Uttarakhand. The river runs for approximately 81 kilometres between the Rudraprayag and Sonprayag areas and emerges from the Chorabari Glacier. The Mandakini merges with river Songanga at Sonprayag and flows past the Hindu temple Madhyamaheshwar at Ukhimath. At the end of its course it drains into the Alaknanda, which flows into the Ganges.