An uphill trail starts from the road of Herronisos (35 minutes) towards the hilltop of Profitis Ilias (463m) where traces of an acropolis of the 6th century BC are still preserved.
Sifnos Acropolis of Profitis Ilias of Troullaki
An uphill trail starts from the road of Herronisos (35 minutes) towards the hilltop of Profitis Ilias (463m) where traces of an acropolis of the 6th century BC are still preserved.