Key Facts about Yamuna River

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The Delhi government recently issued a flood warning as Haryana released more than one lakh cusecs of water into the Yamuna river from the Hathnikund barrage.

About Yamuna River:


  • Yamuna River (also known as Jumna), is the major tributary of the Ganges River. 
  • Origin:It rises in the high Himalaya, in the Yamunotri Glacier, at the height of 4,421 meters. 
  • Course
    • The 1,376 km long Yamuna flows solely through India, crossing three states: Uttarakhand, Uttar Pradesh and Haryana.
    • After rising in the high himalayas, it flows in a southerly direction swiftly through the Himalayan foothills and, exiting Uttarakhand, onto the Indo-Gangetic Plain, along the border between Uttar Pradesh and Haryana state to the west. The Eastern and Western Yamuna canals are fed from the river at that point.
    • The Yamuna then passes Delhi, where it feeds the Agra Canal. 
    • South of Delhi, and now wholly within Uttar Pradesh, it turns southeastward.
    • Near Prayagraj (Allahabad), after a course of about 855 miles (1,376 km), the Yamuna joins the Ganges (Ganga) River. The confluence of the two rivers is an especially sacred place to Hindus and is the site of annual festivals as well as the Kumbh Mela, which is held every 12 years.
  • Tributaries:
    • Near Dehradun, the capital city of Uttarakhand, the Yamuna is joined by its biggest tributary, the Tons River.
    • The Chambal River is Yamuna’s biggest tributary on the right.
    • Other important tributaries of the Yamuna include the Hindon, Sarda and Giri river on the right and Betwa and Sindh on the left.


Q1) Which are the major tributaries of Ganga River?

The Ganga originates as Bhagirathi from the Gangotri glaciers in the Himalayas at an elevation of about 7010m in Uttarkashi district of Uttarakhand and flows for a total length of about 2525 km up to its outfall into the Bay of Bengal through the former main course of Bhagirathi-Hooghly. The principal tributaries joining the river are the Yamuna, the Ramganga, the Ghaghra, the Gandak, the Burhi Gandak, the Kosi, the Mahananda and the Sone. Chambal and Betwa are also the two other important sub-tributaries.

Source: Flood alert in Delhi after Haryana discharges over 1 lakh cusecs of water into Yamuna