Alaknanda descending from the foot of the Satopanth (a triangular lake, which is located at a height of , above the sea level and named after the Hindu trinity: Brahma, Vishnu, Shiva and Bhagirath Kharak glaciers near the Nanda Devi peak, in Uttarakhand cascades over a length of encompassing the five prayags and is joined at Dev Prayag by the Bhagirathi, a shorter river source vis-à-vis Alaknanda to form the main stream of the Ganges. It flows down south towards Rishikesh and Haridwar, two holy places on the bank of the Ganges in Uttarakhand.