Stage 4 is a circular trail approximately 6 miles in length. Starting and finishing at the Rattlebone Inn in Sherston, the trail follows the Sherston Avon upstream to the village of Luckington, loops through the village of Alderton and then returns by a different route via Luckington to Sherston.
The White Walls Way has been developed by Malmesbury Area Pathfinders (MAP), with funding from the Steve Cox Mayoral Fund, Malmesbury Carnival, and Wiltshire Council's Malmesbury Area Board. MAP is a community group dedicated to promoting walking in North-West Wiltshire. MAP is part of MVCAP, a registered community charity (Reg: 1155592) based in Malmesbury, Wiltshire, UK.