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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
- 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.



