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World’s oldest dam – Grand Anicut Dam

World’s oldest dam – Grand Anicut Dam



The Grand Anicut, also known as the Kallanai, is an ancient dam built on the Kaveri River near Tirchi in the state of Tamil Nadu in southern India. It was built by the Chola king Karikalan around the 2nd Century BC and is considered one of the oldest water-diversion or water-regulator structures in the world, still in use.

The Kallanai is a massive dam of unhewn stone, 329 metres (1,080 ft) long and 20 metres (60 ft) wide, across the main stream of the Kaveri. The purpose of the dam was to divert the waters of the Kaveri across the fertile Delta region for irrigation via canals. So well built was the Anicut that Arthur Cotton, arguably the most famous civil engineer in the history of the British raj, admitted that he used its design for 19th century irrigation works on the same river system. Cotton’s improvement to the dam makes the Grand Anicut the oldest functioning irrigation works in the world.




The area irrigated by the ancient irrigation network of which the dam was the centrepiece was 69,000 acres (280 square kilometres). By the early 20th century the irrigated area had been increased to about 1,000,000 acres (4,000 square kilometres).

The Cauvery river branch here into the Kollidam and this is perhaps the beginning of the Cauvery delta. A visit to this place puts in perspective the great engineering feats by the ancients still standing testimony to a glorious tradition. That a structure can last a full 1000 years and be still performing is amazing. When the gates are opened the fishermen gather in a collective and spread their nets for a harvest. Curious onlookers watch the proceedings

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6 Responses to "World’s oldest dam – Grand Anicut Dam"

  1. Dr. Sachidanand Das  January 23, 2014 at 10:07 am

    This is big news for me. Neither I read nor I heard before about this civil engineering feat. Amazing fact of Indian heritage.

    Reply
  2. prabhakar rao gujja  December 3, 2014 at 8:40 am

    It’s proud to every indian and can say we are masters
    in engineering.

    Reply
  3. drsuppiahshanmugam  December 8, 2014 at 7:43 am

    A tribute to our less rememberdglorious past my great great grandparents worked as labourers probably during 18th century when a severe famine in my village pattamangalam drove my clan to work in the dam and if you visit the dam you can still find a small temple atj the diversion of kaveri and coleron please take of narrow steps.the deity at the temple is called kallani karuppar and he is my clans kulatheivam a powerful god and if you happen to visit the dam please see it there is a neem tree at the temple and if you taste the leafs it will be sour and not bitter

    Reply
  4. udhay  September 26, 2015 at 10:19 am

    tamil ppl .. ancient ppl in the world ..

    Reply
  5. SHREE  October 30, 2015 at 4:02 am

    Stupid Karunidhi will ask Which engineering school Karikalan Cholan attended and learned to build such marvelous dam.

    Reply
  6. Manohar sharms  June 22, 2016 at 9:45 am

    Even after so much destruction of our temples,universities and heritage along with falsification of our history in the last millennium, there exist amazing structures ,temples which can make us feel proud ,are not taught to us. If someone even tries to bring it out its termed as saffronisation.I am seventy years of age and thanks to Sanskriti I have come to know of this marvellous engineering feat for the first time

    Reply

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