Built on the hills that once separated Bormida valley from Uzzone valley, Monesiglio is dominated by the imposing castle; on the artistic side, we mention the parish church of Sant’Andrea.
In the hamlet of San Biagio you can find the sanctuary of Santa Maria di Acqua Dolce, dated back to 13th century, which presents a Romanic structure, with a nave and two aisles.
To Madonna di Acqua Dolce they dedicate the patronal fair, which takes place the first Sunday of September.
It’s probably been founded by the Liguri tribe.
The origins of its name are quite mysterious. Some say that it comes from the hospitality offered to a group of monks, exiled from France.