An agricultural center close to the Colle di Cadibona, located in the Ligurian Alps on the ridge that separates the upper valleys of the two Bormidas. Groups of rock carvings on the surrounding hills attest to the inhabitation of the territory in ancient times. In the twelfth-thirteenth century it belonged to the marchesi Del Carretto of Millesimo. Briefly occupied by the Savoy in 1639, it became a free commune toward the end of the seventeenth century. It was annexed to the kingdom of Sardinia in 1735. The parish church of Sant'Andrea is an eighteenth-century construction with the central baroque block of a sixteenth-century building inserted in the façade. The Siezi spring in the environs is famous for the curative properties of its water.