Ayyanakere
Built in the 12th century by Rukmangada Raya, the chieftain of Sakkarepatna, and enlarged by the Hoysalas in 1156 — one of the largest tanks in the state, about 18 km from Chikkamagaluru. Backed by the Baba Budangiri range; good early-morning birdwatching along the bund.