22 km from Hyderabad is Osman Sagar, a 45 sq km lake, formed by damming the river, Musi. It supplies drinking water to the city. Its scenic surroundings are
excellent as picnic spots. The other lake, Himayat Sagar, 10 km from Osman Sagar, covers an area of 85 sq km and is also a fine place for picnic. Both the lakes have
rest-houses and bungalows offering accommodation to tourists.