Holi Ganga, 2,510 km long, rising in the Gangotri glacier in the Himalayas in Uttaranchal state, India, and flowing generally southeast through NE India.The most sacred river of Hindu India.The river passes the holy bathing sites at Haridwar, Allahabad, Varanasi. Haridwar is considered as one of the seven holiest places according to Hindu mythology. According to the legends, when the Gods left their footprints on the land of Haridwar, metaphorically they also left an indelible mark on the spiritual ethos of every Hindu - more so, the devout, who would later follow their holy paths all across this blessed land.