In geography Yamuna is one of three important rivers in North Eastern India: the Ganges, Yamuna and Sarasvati. There are analogies between these three rivers and the three nadis: Shushumnah, Ida and Pingala. Etymologically, Yamuna is linked with Yama and Yami Cologne Sanskrit Dictionary yamunA f. N. of a river commonly called the Jumna identified with Yami it rises in the Himalaya mountains among the Jumnotri peaks at an elevation of 10 ,849 feet , and flows for 860 miles before it joins the Ganges at Allahabad , its water being there clear as crystal , while that of the Ganges is yellowish ; the confluence of the two with the river Sarasvati , supposed to join them underground , is called {tri-veNI} q.v.) of a daughter of the Muni Matamga Kathas. of a cow Ganga Yamuna Crocodile Tortoise Images of Ganga on a crocodile and Yamuna on a tortoise flanked the doorways of early temples. In the Varaha cave at Udayagiri, of the 4th century A.D., the two goddesses meet in a wall of water, recreating Prayaga. http://www.boloji.com/history/041.htm akashvani, or heavenly voice ordained Vasudev to take his newborn son, destined to rid the world of evil, to his friend Nand and his wife Yashoda in Gokul, a city that lay across the River Yamuna. Fearing for the life of his son, Vasudev readied himself for a journey wrought with perils. Yamuna in spate parted its waters to make way for the father and son as soon as infant Krishna touched the swelling waters with his tiny foot, and the Shaeshnag (the many-headed serpent king) emerged from the deluge to shield the two from the tumultuous downpour. http://www.indiasite.com/festivals/janmashtami.html