This denuded hillfort is oval and encloses almost two acres. The defences comprise triple circuits of bank and ditch, with scarps representing outworks to the NE. The innermost bank is the slightest and may represent an earlier, univallate fort.
An interesting heading in Robert Morden's map of Lancashire (1695) places "The Brigantes" in Lancashire. Worth investigating to try to understand exactly what Robert Morden was trying to portray here.