Portknockie, Green Castle

Scotland's National Record of the Historic Environment records Portknockie, Green Castle as Promontory Fort (iron Age). The official map says its point is accurate as follows: NGR given to the nearest 10m. The record does not by itself mean that the public may enter the place.

Built during the Iron Age, Green Castle at Portknockie is an ancient promontory fort, likely occupied between 800 BC and 400 AD. It is important as a rare and well-preserved example of early defensive structures in northern Scotland, offering insight into prehistoric settlement and landscape use.