Small Osiliana excavations were also carried out on the old hillfort of Valjala, 650 m north-east of the large fort. They were supervised by Ragi-Martin Moon, who is currently doing his master studies in Archaeology in Tartu University.
A trench was digged through the wall and the first finds were a pot sherd and animal bones. At the moment the site cannot be further dated, but the potsherd is more likely to be from the first half or from the middle of the Iron Age.
A more precise dating can hopefully be obtained from the 14C from animal bones. Nevertheless, it seems more than likely that it is a man-made and very ancient structure. The area of Valjala seems to have been a centre long before Henry of Livonia visited it…