Bengaluru Fort, Monument of National Importance in Bengaluru district, India.

Bengaluru Fort is a fortification whose surviving Delhi Gate on Krishnarajendra Road consists of a central arch flanked by two blind arches, set in a wall of light brown stone blocks. A tall curved section of the same stone continues to the right, above a lawn bordered by low hedges. Two bastions also remain.

The fort originated in 1537 as a mud structure built by Kempe Gowda I and was later reinforced with stone during the era of Tipu Sultan. This transformation reflected changing military needs and shifting political control over the region.

The fort walls demonstrate how successive rulers expressed power and authority through military architecture across different eras. The structure reflects the changing role of this location as Bengaluru transformed from a small settlement into an important administrative center.

The site is situated near K.R. Market and welcomes visitors during daylight hours with information boards throughout explaining different sections. Comfortable walking shoes are advisable as exploring the walls and tower areas takes time and involves uneven ground.

A marble plaque marks the spot where British troops breached the fort wall on 21 March 1791, during the Third Mysore War. The assault followed a defence in which over 2,000 Mysore soldiers were killed. The fort later appeared as the setting for the treasure hunt in the book Riddle of the Seventh Stone.