to the largest:
Reservoirs are man made lakes:
It was on this cruise of Lake Periyar on the border of Kerala and TamilNadu in India that I saw the elephants from E is for.... We cruised to the dam which formed the lake--now part of the Periyar Tiger Preserve and National Park. (We didn't see any tigers.)
low water level
A few more weeks from thie November shot and Tipsoo Lake would have been iced over, the reflection gone until June.