Chitradurga, on the highway linking Bangalore with Hospet, is famed for its massive Kallina Kote (Palace of Stone) fort, a marvel of military architecture made impregnable by the Nayak Palegars. It has 19 gateways, 38 posterior entrances, a palace, a mosque, granaries, oil pits, four secret entrances, and water tanks. Amidst rocky surroundings inside the fort complex on the hill are many temples. Ekanatha Temple and Chandravalli Caves are worth visiting. The Hidimbeshwara Temple is the oldest temple on the site. Other places of tourist interest in Chitradurga district are Brahmagiri, Vanivalas Sagar, Nayakanakatte, Jogimatti, and Jattinga, Rameswara.