Named after Colonel Bailey who died here in 1782 A.D. This dungeon lies North of famous Ranganatha Swamy temple in Srirangapatna. The oblong bastion referred to as Sultan Bateri, conceals the vaulted dungeon measuring 30.5 mts x 12.2 mts. Dungeon is built in brick and mortar.
This dungeon was used to imprison Tipu's prisoners of war, Prisoners were chained to the stone slabs (can be seen in the picture below) fixed on the east, North and West walls. One of cannons rolled back and fell into the dungeon piercing the ceiling which can be seen even today.