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The Idamalayar Dam (Malayalam: ഇടമലയാർ അണക്കെട്ട്) is a multipurpose concrete gravity dam located at Ennakal, near Bhoothathankettu, on the Idamalayar River, a tributary of the Periyar River in Kerala, South India. Completed in 1985, with a length of , the dam created a multipurpose reservoir covering in the scenic hills of the Western Ghats.〔(【引用サイトリンク】title= Fact File on Major Dams owned by Kerala State Electricity Board )〕〔(【引用サイトリンク】title=Idamalayar )〕 The reservoir storage is utilized by a hydroelectric power station which has an installed capacity of 75 MW with two units of 37.5 MW capacity, producing an annual energy output of 380 GW·h.〔(【引用サイトリンク】title=Generation )〕 The large reservoir created by the Idamalayar Dam is operated by the Kerala State Electricity Board to augment its peak power generation requirements. The dam will benefit the Idamalayar Irrigation Development Project by diverting water released from the tail race channel of the Idamalayar power station. ==Geography== The Idamalayar Dam is located on the Idamalayar River, a tributary of the Periyar River in Kerala. Idamalayar River originates in the Anaimalai Hills at elevation of . The river is a perennial source draining a catchment area of with a topography of high relief. The catchment receives annual rainfall of , 90% of which occurs during the monsoon months of June to September.〔 The dam is located from Ernakulam in Ernakulam district and from the Bhoothathankettu dam (literal meaning in Malayalam language: "monster dam") on the Periyar River, which takes its name from local myths attributing its construction to demons who built it with the intention of submerging Thrikkariyoor temple. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Idamalayar Dam」の詳細全文を読む スポンサード リンク
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