High Quality Content by WIKIPEDIA articles! The Sacra di San Michele, sometimes known as Saint Michael's Abbey, is a religious complex on Mount Pirchiriano, situated on the south side of the Val di Susa overlooking the villages of Avigliana and Chiusa di San Michele, northern Italy. The abbey, which for much of its history came under Benedictine rule, is now entrusted to the Rosminians. A special regional law acknowledges it as the "Symbolic monument of the region Piedmont" region.