Milepost 91 ~ near Dutton Stop Lock

Link to picture of milepost This is an original milepost and the last one to stand alongside the canal itself.
Link to ... Further on, the canal passes through Dutton Stop Lock, the final lock on the canal. It then enters Preston Brook Tunnel which is around two-thirds of a mile long.
Link to ... By the time it emerges into daylight again, it has become the Bridgewater Canal.