Idukki Arch Dam over Periyar River in Kerala

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Idukki Arch Dam; reservoir; Kerala; uasatish;
Idukki Dam and Reservoir

Idukki Arch Dam in Kerala has a height of 168 metres (550 feet) and is Asia’s tallest arch dam. It stands between two granite hills called Kuravanmala (839 metres) and Kurathimala (925 metres).