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Idukki Arch Dam

Overview

•This is the world's second and Asia's first arch dam.
•The Idukki Dam is a double-curvature thin arch dam constructed across the Periyar River in a narrow gorge between two granite hills locally known as Kuravan and Kurathi, in Idukki district, in the state of Kerala, India.

Highlights

This is the world's second and Asia's first arch dam.
It is constructed and owned by the Kerala State Electricity Board.
It supports a 780 MW hydroelectric power station in Moolamattom, which started generating power on 4 October 1975.
At 168.91 metres (554.2 ft), it is one of the highest arch dams in Asia.
The Indo-Canadian project was inaugurated by Prime Minister Indira Gandhi on February 17, 1976.

Dress Code

Modest, respectful clothing is expected at this site.

Things to Do

Visit Idukki Arch Dam

Flexible

This is the world's second and Asia's first arch dam.

CultureEasy

Features

Flexible

The Idukki Dam is 168.91 m (554.2 ft) tall, constructed between two mountains, Kuravanmala (839 m (2,753 ft)) and Kurathimala (925 m (3,035 ft)). The length of the dam on its top is 365.85 m (1,200.3 ft).

CultureEasy

Tourism

Flexible

Earlier, there was a blanket ban on public entry to the dam due to security reasons. Later, it was relaxed opening the dam for public for 10 days during the Onam and the Christmas seasons.

CultureEasy

Frequently Asked Questions

This is the world's second and Asia's first arch dam. The Idukki Dam is a double-curvature thin arch dam constructed across the Periyar River in a narrow gorge between two granite hills locally known as Kuravan and Kurathi, in Idukki district, in the state of Kerala, India.

It is about 31.5 km from central Kumily.

The most comfortable months are January, February, March, April and December; April is the hottest, with highs around 31°C.