Lake Martignano, is a small lake in Lazio, Italy 24 kilometres north-north-west of Rome, in an extinct crater or maar.
Administratively its coast is divided amongst the municipalities of Rome, Anguillara Sabazia and Campagnano di Roma.
Wikipedia https://en.wikipedia.org/wiki/Lake_Martignano
Address 00061, Italy
Coordinates 42°6'46.335" N 12°18'54.212" E
