View of the country side from Nandi Hills by Kiran Kumar Vemuru

This place was called Ananda giri (hill of Happiness During the Chola period. It is also said this place has been named after Yogi Nandeeshwara who performed penance here.As Tippu Sultan built a fort here It is also called Nandidurga (Fort). It is also perhaps called Nandi Hills because the hill resembles a sleeping bull (Nandi). Nandi temple being situated on the hill could also be another reason for the place getting its name.
Nandi Hills is the source of the Penner, Ponnaiyar, Palar and Arkavathy rivers.
4,851 ft (1,479 m) above sea leve,Nandi Hills or Nandidurg,an ancient hill fortress is near Bangalore city, is in Chikkaballapur district of Karnataka state, South India. It is 10 km from Chickballapur town and approximately 60 km from the city of Bangalore.