Lake Trasimeno or Trasimene (in Italian: Lago Trasimeno), is the
largest lake in the Italian peninsula south of the Po with a
surface area of 128 km², slightly less than Lake Como. The Tiber
River flows some thirty kilometers to the east of the lake, but
the lake and the river are separated by hills: no major river
flows directly into nor out of Lake Trasimeno, and the water
level fluctuates significantly according to rainfall levels and
the seasonal demands from the towns, villages and farms dotted
round the shore. Historically, Trasimeno was known as The Lake
of Perugia and this name makes it easy to understand the
importance that the lake has always had for the whole of north-
western Umbria and for the Tuscan Chiana district. In
prehistoric times, this lake was extended so as to almost reach
Perugia. Trasimeno is a mythological figure, joined with Agilla,
a nymph born in Agello, now a hill midway between Perugia and
Trasimeno, formerly an island in the lake. The Battle of Lake
Trasimeno, took place on the