Sankagiri Fort was built in the 15th century by the Vijayanagar empire. It has 14 fort walls built on and around a hill and the last phase these walls were built by the British. The fort served as a British tax storage facility for Kongu Nadu, a region comprising the districts of Salem, Erode, Coimbatore, Tiruppur, Namakkal, Karur and Dindukal.SANKARI or Sankagiri is the town located around this place.It was an important military base for Tippu Sultan and later for the British army. This is because only one side of the hill is climbable, as all the others are too steep to climb. This has a death well, granary, two oil godowns, one explosives godown, two masjiths, 2 Varadharaja Perumal temples, former British Army administrative buildings, and cemeteries formerly used by armies that were stationed at the fort.