The Ouse valley, East Sussex, is a key communication route from the Channel coast, via the Downs (and the historic county town of Lewes), to the wide expanse of the Weald. It traverses and encompasses landscapes and archaeological sites of both regional and national importance - all connected by the river Ouse and its valley. This is the first review of the archaeology of this important landscape - from Palaeolithic to medieval times by contributors all routed in the archaeology of Sussex. Binding together the archaeology is a review of the geoarchaeology and palaeo-environment following...