Yamunotri is the resource of the Yamuna River and the settle of the Goddess Yamuna in Hinduism. It is located approximately thirty kilometers of Uttarkashi. It is one of the four sites in India’s Chhota Char Dham pilgrimage.  The topmost magnetism at Yamunotri is the temple devoted to the Goddess Yamuna and the holy thermal springs at Janki Chatti
The authentic source, a freezing lake and glacier located on the Kalind Mountain at a height of 4,421 m above sea level.
The actual source of Yamuna River is Yamunotri Glacier, at a height 6,387 metres (20,955 ft), near the Bandarpunch peaks of lower Himalayas and is devoted to the goddess Yamuna.
Yamunotri Temple is situated in the western region of Garhwal Himalayas  near the river source.
Yamunotri Temple is situated in Uttarkashi district of Uttarakhand. This temple is devoted to the Goddess Yamuna and also has a black marble idol of the goddess. One has to spend a full day in journey from Dehradun to reach the temple.  The actual temple is only accessible by a trek of 13 kms from Hanuman Chatti and a 6 kilometres walk from Janki Chatti.  The hike from Hanuman Chatti to Yamunotri is very scenic with beautiful views of a number of waterfalls.
Yamunotri temple has a shrine devoted to the Devi Yamuna. There is also an 18th-century temple at Gangotri. The temple opens on May (Akshaya Tritiya) and closes on the second day after Diwali, (Yam Dwitiya) for the winter.