The fort was to the north-west of the quarry, on the summit of the plateau at the western end of the ridge and the dismantled work was surrounded by a moat filled with mud.
The fort was to the north. West of the quarry was surrounded by a moat. This was on the summit of the plateau at the western end of the ridge. This was on the summit of the plateau at the western end of the dismantled work. This moat was filled with mud.