Thamirabarani River

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News: The Thamirabarani River is home to otters, but their numbers are declining due to habitat loss, raising concerns about the river’s ecological health.

About Thamirabarani River

Thamirabarani River and its sub-basins
Source: Research Gate
  • It is a perennial river flowing in Tamil Nadu.
  • Origin: It originates from the Agastyarkoodam peak of the Pothigai hills of the Western Ghats, above Papanasam in the Ambasamudram Taluk. 
  • Course of the river: It flows through Tirunelveli and Thoothukudi districts of the Tamil Nadu state of Southern India into the Gulf of Mannar. 
  • Length: It is about 128km long.
  • Drainage: Along with its tributaries, it drains an area of nearly 4,400 square kilometres.
  • Tributaries: It includes the Manimuthar, Gadananathi, Pachaiyar, Chittar, Karaiyar, and Servalar 
  • Anicut situated on the river: The anicuts constructed on the river are Kodaimelaalagain anicut, Nathiyunni anicut, Kannadian anicut, Ariyanayagipuram anicut, Palavur anicut, Suthamalli anicut and Marudur anicut.
  • Associated waterfall: The river forms waterfalls such as Paanatheertham Falls near the Karaiyar Reservoir, Kalyanatheertham and Agasthiar Falls near Papanasam.
  • Historical context:
    • Sanskrit texts such as the Mahabharata, Ramayana and various Puranas describe it as a sacred river.
    • The Porunai or Thamirabarani river is mentioned several times in Sangam-era literature. 
    • It has been mentioned as Porunai, Than Porunai, Porunal and Poruntham in Tamil literature from the Sangam era.
    • It has been referred to as Porunai in Tholkappiam, an ancient treatise on Tamil grammar. 
    • It is also referred to as Porunai in the Sangam work Puranaanooru.
    • Purananooru, Tamil Sangam literature, describes the present-day ‘Thamirabarani’ as ‘Than Porunai’.
    • Pandyan Kingdom: During the Early Pandyan period, it served as a vital centre for pearl fishing, conch collection, agriculture, and maritime commerce, fostering trade connections between southern India and Sri Lanka.
    • Korkai, located at the mouth of the river, was an important Pandyan port famous for its pearl trade. 
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