Trasimeno Lake is a lake in central Italy and the fourth in the country for its size. It is alluvial type and is mainly fed by the rains and some torrents. As no emissaries, canal connects, since Roman times, the Tiber. This lake has an area of 128 km² and a circumference of about 40 km.
It is famous for the Battle of Trasimeno (217 B.C.) where Hannibal inflicted a terrible defeat to the Roman army of Consul Flaminius.