Kaptai:The Largest Manmade Lake In Bangladesharbinkhan (34) in busy • 7 years ago It is one of the most attractive tourist spot in Bangladesh It is the largest manmade lake in Bangladesh.The average depth is 100 feet and maximum depth is 490 feet.The Kaptai lake was created while creatinf the Kaptai Dam over the river Karnaphuli. The lakeside is also AMAZING!!! busy writing lake blog nature