The Cistercian abbey (founded in 1137 at the request of the Marchioness of Saluzzo and Romagnano) was an important reference point up to the end of the 18th century. Partly ruined in the 17th century, it was reconstructed in 1680 only to be partly abandoned once again; Only the church (consecrated in 1160), with it facade from the 17th century, remains. The interior has a romanic theme with a few gothic influences, particularly the structuring of the three naves held by pillars alternatively cruciform and octagonal, recognisable despite the constant transformation in 1680, which were interventions giving it a remarkable Baroque stucco. Several 17th-century cloths and the Baroque wooden choir, cut and inlaid into the apsidal sector, are also esteemed. The ‘cripta ritrovata’ (rediscovered crypt), which contains precious 17th-century frescoes by Domenico Guidobono and the museum of the Abbey with furnishings, paraments and objects linked to the history of religion as a whole can be visited.