Tuesday, 15 September 2026

KERALA PSC / KERALA GEOGRAPHY / LAKES OF KERALA / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE

 

KERALA PSC / KERALA GEOGRAPHY / LAKES OF KERALA / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE



KERALA PSC / KERALA GEOGRAPHY / LAKES OF KERALA / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE


 

VEMBANADU LAKE

·      Vembanad lake is the longest lake in India, and the largest lake in the state of Kerala.

·      The Vembanad Lake is approximately 14 kilometers wide at its widest point.

·      The lake is fed by 10 rivers flowing into it including the six major rivers of central Kerala namely the Achenkovil, Manimala, Meenachil, Muvattupuzha, Pamba and Periyar.

·      The lake surrounds the islands of Pathiramanal, Perumbalam and Pallippuram.

·      The Vembanad Wetland system was included in the list of wetlands of international importance, as defined by the Ramsar Convention for the conservation and sustainable utilization of wetlands in 2002. It is the largest of the three Ramsar Sites in the state of Kerala.

·      The Kumarakom Bird Sanctuary is located on the northern fringes of Kumarakom village.

·      A unique characteristic of the lake is the location of the 1252-meter-long Thanneermukkom salt water barrier. The Thanneermukkom salt water barrier was constructed as a part of the Kuttanad Development Scheme to prevent tidal action and intrusion of salt water into the Kuttanad lowland.

·      The Vembanad Wetland system has formed an intricate network of estuaries, lagoons and canals which spans over 196 km in the northsouth and 29 km in the east-west directions.

·      The Kottappuram-Kollam segment of the West coast canal system has a major chunk passing through the Vembanad Lake and spans a total of 209km. It has been declared as a National Waterway.

·      On July 27, 2002, twenty-nine people were killed when an overcrowded boat capsized in the Vembanad Lake. The boat was carrying more people than twice its stated capacity. The boat was a daily ferry service which connects Muhamma village on the west coast to Kumarakom on the east. The crowd were going in for writing a PSC test.

 

ASHTAMUDI LAKE

·      Ashtamudi Lake (Ashtamudi Kayal) in the Kollam District, is the second largest and deepest wetland ecosystem, Ashtamudi Wetland was included in the list of wetlands of international importance, as defined by the Ramsar Convention for the conservation and sustainable utilization of wetlands.

·      The word meaning of Ashtamudi is “eight coned”, ashta meaning ‘eight’ and mudi meaning ‘cone’. It has got its name due to the topography of the lake which has several branches. This lake is considered to be the gateway to the backwaters in Kerala.

·      Munroe Island (Munroethuruth) is a cluster of eight tiny islands in Ashtamudi Lake.

·      This estuary is the deepest among all the estuaries of Kerala with a maximum depth of 6.4m at the confluence zone.

·      The lake is shaped like palm with eight prominent arms or channels which gives it the name Ashtamudi. The arms of the lake meet at Neendakara near Kollam and evacuates at the Arabian Sea.

·      Lake is 16 meter in length.

 

SHASTHAMKOTTA LAKE

·      Shasthamkotta Lake, (Kollam district) is the largest fresh water lake in Kerala.

·      The purity of the lake water for drinking use is attributed to the presence of large population of larva called cavaborus that consumes bacteria in the lake water.

·      The lake is a designated wetland of international importance under the Ramsar Convention since November 2002

·      The present area of the lake is 375 hectors.

 

VELLAYANI LAKE

·      Covering an area of 7.5 sq km, this lake is the largest freshwater lake in Thiruvananthapuram District.

·      One of the three rain-fed freshwater lakes in Kerala.

·      A unique feature found here is a road that passes through the lake for which a bund has been built.

 

PARAVUR LAKE

·      Paravur Lake is located in Paravur of Kollam district

·      It has an area of only 6.62km2

·      It is the end point of the Ithikkara River and part of the system of lakes and canals that make up the Kerala Backwaters

·      It has been connected to Edava Kayal and Ashtamudi Kayal as part of the Trivandrum-Shornur Canal system since the late 19th century.

 

POOKOT LAKE

·      Pookot Lake is a large naturally formed lake in the Wayanad district of Kerala. The lake is surrounded on all sides with forest.

·      The lake covers an area of approximately 8.5 hectares and has a depth of 6.5 meters.

·      A tributary of Kabani river called Panamaram river originates from this lake.

·      Other important backwaters are Veli, Kadhinamkulam, Anju thengu (Anjengo), Edava, Nadayara, Kayamkulam, Kodungallur (Cranganore) and Chetuva

·      Nehru Trophy boat race, one of Kerala’s most famous boat races is held each year on the Punnamada backwaters of Alappuzha district.


KERALA PSC / KERALA GEOGRAPHY / LAKES OF KERALA / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE

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