The Monastery of Atros is the oldest monastery of Kefalonia and is located on the homonym mountain (Atros) at an altitude of 760m and about 3km from Poros.
The monastery was built around the 8th century AD with a fortress like architecture and until this day the medieval tower is still preserved in good condition.
Unfortunately, the monastery itself has suffered serious damage from the the 1953 earthquakes and by wildfires in 1994. The charismatic and distinctive elder Father Klimis (Clement) lived here ascetic during the last century. He is about to be rewared with the ranking of a Saint from the Greek Orthodox Church in the coming years.
The monastery itself is celebrating on September 8th (Birth of Virgin Mary).