Krishna Raja Sagara, also popularly known as KRS, is a lake and the dam that creates it. They are close to the settlement of Krishna Raja Sagara in the Indian State of Karnataka. The gravity dam made of surki mortar is below the confluence of river Kaveri with its tributaries Hemavati and Lakshmana Tirtha, in the district of Mandya. Krishna Raja Wadiyar IV Maharaj of Mysore constructed the dam during the famine despite the critical financial condition in State. It was after him that the dam was named. There is an ornamental garden, Brindavan Gardens, attached to the dam. From Wikipedia