𝗬𝗮𝗺𝘂𝗻𝗮 𝗥𝗶𝘃𝗲𝗿 𝗦𝘆𝘀𝘁𝗲𝗺 :

It originates from the Yamunotri Glacier on the southwestern slopes or Banderpoonch peak in the Mussoorie range of the lower Himalayas.

It is the second-largest tributary river of the Ganga by discharge after Ghaghra river and the longest tributary in India.

It merges with the Ganga at Triveni Sangam, Allahabad, now Prayag Raj which is one of a site of the Kumbh Mela, a Hindu festival held every 12 years.

The Tons, largest tributary of the Yamuna, has some magical spots in it's upper reaches. It joins the Yamuna below Kalsi before the latter leaves the hills.

At this site, the water carried by the Tons is twice the water carried by the Yamuna.

The left bank tributaries of yamuna are Hindan, Rind, Sengar, Varuna and right bank tributaries are Chambal, Sindh, Betwa, Ken.