Darbhanga Fort is one of the historical forts situated in Darbhanga district of Bihar. It is situated on the Rambag Colony road of Mansaar Colony, Darbhanga. The nearest railway station is Darbhanga Junction at 2 kms whereas the nearest bus stand is Darbhanga bus terminal at 1. 4 kms from this historical site. Tourists can easily access this place by taking an auto or rickshaw.

Darbhanga fort is also referred to as Rambhag Palace. It was used to be the residential palace of the royal clan Darbhanga. This fort was established in the year 1930 by Maharaja Kameshwar Singh. During that period, the village was known by the name "Islampur" instead of the revised one, Darbhanga. This fort is wholly constructed with red bricks. It is spread over an area of 1 km with width of 500 metres. It is believed that the main gate of Darbhanga fort was constructed during 16th C by Maithil Brahmins of that time. It is even referred to as Raj Darbhanga. There were used to have two palaces inside this fort until the earthquake of 1970, which ruined and damaged one of the palaces and the Western wall.

It is said that the successors of Darbhanga royal clan still live in the ruined houses, which are located instead the fort. There is also a place of worship inside the fort of their family diety, even called as "Kul Devta". Although, tourists are not allowed to take a look or enter this religious place for worship. The people living inside the fort can give you a detailed information about their predecessors and other historical facts regarding the palace. If you are interested in knowing any information, you can ask them without hestitation. Visitors would love the sight of hundreds of mango trees planted inside the fort.

Tourists can ideally spend an hour or two so as to inculcate the historical value of this fort. If you like to know about our historic past, then this place might be the right one for you. You can view the marvelous architecture of the fort, which is in complete ruins and know history about the same from families living inside this fort. They can give you a glimpse of the life and time period of their predecessors. You can visit along with your children or friends to inculcate in them, the value of our royal past and facts about this historical fort. You can take delight of the juicy mangoes in particular season as this fort has mango trees in a huge number.

Darbhanga fort is open on all days of the week. Visitors can visit this historical place during timings 6:00 AM - 7:00 PM. There is no entrance fee as to enter this place.