Located at a distance of 150 kms from Hyderabad, Nagarjunasagar is an important
irrigation dam on river Krishna. This is the tallest and biggest masonry dam in the world
and is about 150 Km away from the metropolitan city of Hyderabad. It creates the third
largest man-made lake in the world. Apart from this, some remains of the Buddhist
civilization dating back to the 3rd century A.D, are seen on an island called
Nagarjunakonda located in a man-made lake on the other side of the river Krishna. These
relics of Buddhist civlization found during excavation unveiled the traces of Mahachaitya,
the most sacred of the stupas. An inscription in Brahmi characters states that the sacred
relics of Lord Buddha lie within the Mahachaitya.
Similar excavations of the
surroundings have brought to light the remains of a university, vihara and monasteries.
This University was flourished under Acharya Nagarjuna, the great Buddhist saint, scholar
and philosopher who migrated to Nagarjunakonda from Amaravati to spread the message of the
Buddha. An "Ashwamedha" sacrifice, altar of tools from Paleolithic and Neolithic
times were also found here. The remains of a Buddhist University were found during an
excavation while constructing the Nagarjuna Sagar dam.