Castel Sant'Angelo is a comune in the Province of Rieti in the Italian region Lazio, located about 70 kilometres northeast of Rome and about 12 kilometres east of Rieti.
Castel Sant'Angelo borders the following municipalities: Borgo Velino, Cittaducale, Micigliano, Rieti.
The Lake of Cutilia is located in the frazione of Vasche.
Wikipedia https://en.wikipedia.org/wiki/Castel_Sant'Angelo,_Lazio
Coordinates 42°23'37.929" N 13°1'24.439" E