This town was built in Roman times and was once located along the ancient Via Postumia.
Although private and visible only externally, the Castle is in a good state of conservation.
In the town, there is a church dedicated to San Michele, which presents interventions by twentieth-century architect Berzolla and the local artist Luciano Ricchetti.
In addition to the local typical dishes, in Rottofreno there is a product which received the Municipality Denomination (De.Co.): the "Busslanein", a little sweet donut to which an event is dedicated at the beginning of June.
In the town of San Nicolò there are a cinema room, a literary club and places dedicated to sports.
The area of Rottofreno is part of the Parks of the Duchy, which organizes outdoor activities, walks, and experiences dedicated to the discovery of the "Trebbia Fluvial Park".
Every year, in the second week of June, in San Nicolò there is a festival dedicated to the typical sweet called "Busslanein".
In the town of Gragnano Trebbiense along the river, there is an appointment with music for the traditional Orzorock festival.
The northern area of the town overlooks the river and touches the paths of the Via Francigena.
In the small town of Santimento, the church of San Giovanni Battista and the tower of the castle, now private, are worth visiting.
Near the town of Gragnano Trebbiense the church dedicated to the "Madonna del Pilastro" was built following an alleged miracle.
Nature becomes the protagonist along the banks of the Po and in the area of the "Trebbia Fluvial Park".
