Yamuna originally pronounced as Jumna/Jamuna is considered the second largest side stream of the Ganga and is the longest river in India. Yamuna river originates from the Yamunotri glacier situated at a height of 6387 meters. The Yamunotri glacier is situated on the southwestern steeps of the Banderpooch peaks of the lower Himalayan region of Uttarakhand.
Yamuna river derived its name from the Sanskrit word “Yama” which means Twin. Among the other tributaries, the tons river is the largest side stream of the Yamuna river. Apart from the Tons river, other tributaries joining Yamuna’s river course are; the Ken river, Hindon river, SasurKhadi river, and Chambal river.
The river course of the Yamuna stream includes the states of Himachal Pradesh, Uttarakhand, Haryana, Rajasthan, and Delhi. In Uttar Pradesh, it confluxes with the Ganga at Triveni Sangam. The Trivenisangamsignifies the convergence of 3 rivers- Ganga, Yamuna, and Saraswati.