It is also surrounded by a double vallum: its dimensions 140 by 180 ft. It is 'multi-vallate', like Cherbury Camp. It is unexcavated and therefore very little is known about it.
Surrounded by a double vallum with dimensions of 140 by 180 feet, it shares the multi-vallate characteristic with Cherbury Camp. Unexcavated, very little is understood about its structure.