Markonahalli Dam is about 97km from Mysuru and 92km from Bengaluru, Markonahalli Dam is a dam built across the river Shimsha in the Kunigal Taluk of Tumkur district,27 species of fish, including 13 species of commercial fishes have been recorded in the reservoir with Puntius being the dominant species of fish found here.This the only dam that has an automatic siphon system that enables water to be flushed out of the reservoir automatically when it touched the optimum level. The dam is a beautiful place to visit as it has scenic beauty. Sunset seen at this place is awesome. Wonderful colors just after the sunset refreshes the mind. Its preferable to visit the dam in the evening to see its natural beauty