The fort has been occupied by several different dynasties. The fortification consists of a main rampart broken at irregular intervals by round towers and rectangular projections. The main walls of the fort are built using huge granite stones surrounded by a broad moat fed with water.
The The approximate circumstance of the fort is 2600 meters. The moat running around the fort is of length and depth of 190 feet and 20 feet respectively. The outer length of the fort is about 2500 feet and 1500 feet in breadth. The height of the outer wall is about 30 feet and the breadth is about 25 feet. Inside the fort is the famous and beautiful Jalakanteshwara Temple.