Trigoso e la chiesa.
La chiesa ed il borgo di Trigoso visto dal torrente Petronio.
The two toponyms, Riva and Trigoso, were combined for the first time in 1874, in the name of the railway station “Riva-Trigoso”, then located halfway between the two villages. The joint name gradually entered common use, to improperly identify the single fraction of Riva.
Continue and learn more on Wikipedia.
Here is where the small village is located: