Jaisalmer Fort is at Jaisalmer in Rajasthan (India). This Fort was built in 1156. Two hundred and fifty feet tall and reinforced by an imposing crenellated sandstone wall of 30 feet height, the fort has 99 bastion, 92 of which were built between 1633 and 1647. The fort, built by Rawal Jaisal, crowns the 80m high Trikuta hill. It has narrow winding lanes and four huge gateways, the last one leading to main chowk dominated by the old palace of the Maharwal. Almost one quater of the town's population resides inside the fort. It is approached through Ganesh Pol, Suraj Pol, Bhoot Pol and Hawa Pol. Also, within it are many beautiful havelies and a group of Jain temples dating bacl from the 12th to the 15th centuries.