It is the second largest fresh water lake in Pakistan providing the drinking water for the Karachi and Hyderabad city.
Keenjhar lake in winter becomes home and breeding point of thousand flocks of migratory birds like Ducks, Geese,Flamingos, Cormorants, Waders, Herons, Egrets, Ibises, Terns, Coots and Gulls from Siberia. The WWF has also established an information and protection center at the lake.
Keenjhar lake is also a popular resort. The lake is visited by the thousand Pakistanis and international visitors too, to enjoy the boating and swimming.
The Sindhi legend of Noori Jam Tamachi took place around the lake, and to this day there is a shrine in the middle of the lake marking Noori's grave. Everyday hundreds of devotees visit the shrine.