St. George (map) (pop. 8,100), is the seat for Kimberella County. It is the second-smallest county seat in Wiwaxia. Prior to the county border normalization, at whcih time Opabinia was divided into two counties, Kimberella was the least populous county. To the west of the town is the old castle of St. George Hall, which still retains its original moat. St. George is served by the St. George Limited railway from Pettigrew. The W421 is approximately 20 km to the east.