Archaeological evidence is enriched when it is viewed against the backdrop of its natural landscape setting. This setting is not readily apparent in the lower Lea valley, where evidence for the natural topography has been cut away by quarrying and reservoir construction or buried by metres of alluvium and modern made ground. The Lea Valley Mapping Project, funded by the Aggregates Levy Sustainability Fund, has taken a geoarchaeological approach to reconstructing the past landscape and its relationship to archaeological distributions by using existing borehole information to model the buried...