Nandi Hills, or Nandidurg, is a hill fortress in the Chikkaballapur district in the south Indian state of Karnataka. An ancient hill fortress built by the Ganga dynasty and later strengthened by the great Tipu Sultan. Carved arches, majestic pillars, beautifully painted walls and ceilings, shrines and monuments spread over the place make Nandi Hills mesmerizing and a hidden paradise.
Nandi Hill is small hill hamlet situated at a distance of 60 km from Bangalore city at an elevation of 4800 feet. Sunrise at Nandi hills is a spectacular view and famous among visitors.
This ancient hillock is sweetly nestled between three neighbouring towns namely Nandi, Muddenahalli, and Kanivenarayanapura which is bounding this region from all the sides. This hill is the birth place of Arkavati River also. This river is one of the tributary of southern Ganga, Kauveri. Rich with bird life, the hills are a popular destination for birdwatchers, naturists and photographers. With several trek routes, the Nandi Hills are a famous trekking destination for tourists who love treks.