A complex of earthworks, set above the left bank of the Lugg. At the SE is a 37m diameter, 4.1m high mound, ditched and counterscarped, to the NW and N are a complex array of enclosures and apparent platforms, the whole covering an area c.190m by 100m and includes 'Cuckoo Pen Mound IV' associated with the battle of Pilleth, 1402 (Nprn306352).