ADYAR RIVER

The Adyar River, one of the three rivers that traverse Chennai, Tamil Nadu, India, and empties into the Bay of Bengal at the Adyar estuary, originates near the Chembarambakkam Lake in the Kanchipuram district.

Last Updated on 17th May, 2025
1 minute, 19 seconds

Description

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PC: Swarajya

Context

Since 2023, a Rs 1,500-crore project to revitalize and restore a 44-km segment of the River Adyar that has been considered "dead" has been bogged down in the city.

About Adyar River

Origin

Near Chembarambakkam Lake, Kanchipuram district, Tamil Nadu

Length

42.5 km (26.4 miles)

Flows Through

Chennai, Tamil Nadu

Mouth

Bay of Bengal at the Adyar Estuary

Estuary Area

Approximately 300 acres

Estuary Protection Status

Declared a protected wildlife reserve in 1987

Backwater Formation

Adyar Creek (formed due to sandbars at the river mouth)

Function of Adyar Creek

Natural channel for tidal water flow back to the sea

Catchment Area

About 860 sq.km

Water Sources

Surplus from ~200 tanks/lakes, small streams, rainwater drains

Environmental Concern

Major portion of Chennai’s waste is drained into the river

Source: TOI

Practice Question

Question: The Adyar River originates from:
a) Chembarambakkam Lake
b) Cooum River
c) Buckingham Canal
d) Bay of Bengal

Correct Answer: a) Chembarambakkam Lake

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