On the crest of the N-facing slope of a WNW-ESE ridge. Circular grass-covered area (diam. 28.3m E-W; 27.1m N-S) defined by an earthen bank (Wth 2.5m; int. H 0.5m; ext. H 0.9m) and traces of an outer fosse (Wth of base 1.5m; D 0.5m) W-NNE, and by a scarp (H 0.2-0.4m) elsewhere. There is no identifiable original entrance. Rath (RO021-042024-) is c. 150m to the WNW, and rath (RO021-042043-) is c. 120m to the ESE.