Maithon Dam is the biggest Dam of Damodar Valley Corporation. This dam has been built to control flood in the Barakar River. The reservoir of Maithon Dam is spread across 65 sq. km. In the mid of this reservoir, there is an island. A rest house has been built on this island. Boating & fishing facilities are also available in this reservoir. There is a Deer park and Birds garden near this Dam these are also of a tourists importance.