The city of Bharatpur and its fortare said to have been founded about 300 years ago by Rustam, a Jat of theSogariya clan. Maharaja Surajmal took it from Khemkaran, the son of Rustam in CE. 1733 and refurbished it by constructing a big fort and moat surroundingit. This historical fort, also known as Lohagarh, is rectangular in shape and has eight bastions with a highwall surrounded by a deep tapering moat (18.3 m wide). The outer wall gotdamaged at places but has now been repaired on the Gopalgarh side. Roadsleading to the fort through its two gates i.e. Chawburja Gate and AshtadhatuGate, cross the moat by masonry bridges. The moat always remains filled withwater.
It was notified vide No. 2/6/76-M dated 20.11.1985