Idukki Arch Dam over Periyar River in Kerala India, Kerala / By Satish Share This ArticleIdukki 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). … Idukki Arch Dam over Periyar River in KeralaRead More »