Nandi Hills: An ancient fortress, a botanical laboratory, and a mountain of shifting identities

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: Rising from the Mysore plateau, Nandi Hills has served as a strategic military stronghold, a colonial summer retreat, and a unique ecological island. From its origins as an 11th-century fortress to its modern role as a hub for exotic horticulture and birdwatching, this site remains a complex, high-altitude sanctuary.

Known historically as Nandidurg, this site in Karnataka’s Chikkaballapur district is defined by its dramatic elevation of 4,850 feet. Its name is steeped in legend, with theories ranging from the resemblance of the hills to a sleeping bull to the presence of an ancient, 1,300-year-old Dravidian-style temple. Developed by the Ganga dynasty in the 11th century, the fortress was long considered impregnable until the army of Cornwallis stormed it on October 19, 1791, during the first war against Tipu Sultan of Mysore.

Following the conflict, the site transitioned from a military post to a sanctuary for British Raj officials seeking relief from the heat. General Mark Cubbon commissioned a summer residence here, though the location maintained a reputation for malaria, leading visitors to avoid it during wetter months. Beyond its political history, the hill became a site for botanical experimentation. In 1860, Hugh Cleghorn attempted to cultivate tea, while earlier efforts saw the introduction of exotic species like the Hypericum mysorense, an ornamental bush otherwise found only in the Western Ghats, over a hundred miles away.

Today, the hills function as a vital ecological bridge. The forest canopy acts as a substrate for cloud condensation, creating a moist microclimate that supports species typically found in the Western Ghats, such as the Malabar whistling thrush and Uropeltid snakes. This isolated patch of evergreen forest serves as a critical wintering ground for migratory birds and a home for the endemic yellow-throated bulbul. As the area faces modern development pressures, including proposed cable car systems and new infrastructure, authorities have implemented visitor management systems, such as weekend pass requirements, to balance tourism with the preservation of this unique, high-altitude environment.

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