The site at Mill Lane, Sawston, represents millennia of human activity within a dynamic and changing landscape setting. River valleys have been a focus for human activity since the early Holocene and, in addition to providing abundant archaeological evidence for this activity, the proximity to water also highlights the potential for the preservation of both archaeological remains and palaeoenvironmental source material. However, human activity within river valleys also commonly bridges areas of both wetland and dryland; ecological zones which are often approached using quite different...