San Pietro in Mavino sits above the busy lanes of Sirmione, and that little climb changes the mood completely. The church is small and old, with fresco fragments and a plain stone presence that feels far removed from the gelato-and-lakefront crowds below.
It is worth pairing with the walk to the Grotte di Catullo, especially early or late in the day. The reward is not only the church itself but the quieter ridge-top setting, where Garda opens out between trees and old walls.