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Key Facts about Bhavani River

Feb. 21, 2026

An RTI activist recently filed an online petition to the Prime Minister's Office seeking criminal, departmental, and regulatory action against officials responsible for the pollution of the Bhavani river.

About Bhavani River:

  • It is a major tributary of the Cauvery River.
  • It flows through the states of Kerala and Tamil Nadu.
  • It is the second largest river in Tamil Nadu.
  • Course:
    • The Bhavani River starts its journey in the Nilgiri hills, which are part of the Western Ghats mountain range.
    • From there, it flows into Kerala, passing through the beautiful Silent Valley National Park.
    • After flowing through Kerala, the river turns and flows back into Tamil Nadu.
    • Finally, the river merges with the Cauvery River in the town of Bhavani, at a location known as Bhavani Sangameshwarar Temple, a significant pilgrimage site for Hindus.
  • It is a "perennial" river, which means it flows all year round and never dries up.
  • The drainage basin of the Bhavani River spans across Tamil Nadu, Kerala, and Karnataka:
  • Tributaries: The largest tributaries of the Bhavani River are West and East Varagar, which come from the Nilgiris.
  • There are two major dams on the Bhavani River:
    • Bhavani Sagar Dam
    • Kodiveri Dam.

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