Play Golf
There is a nine-hole golf course close to panicarola, just south of the lake. it was established by ferruccio lamborghini, designer of the lamborghini cars. loc. soderi 1, panicale pg 06064 italia, tel/fax 075/837582. (http://english.lamborghin...)
Swim
There are quite a few places where you can access the lake for a dip. as the water is very shallow you often have to go a long way out for a swim.
Skydiving
Also south of the lake is a parachuting school, with its own 900m airstrip. skydive trasimeno +39 075 835006.