sentences:  The canal ends at a wider section, which was the location of Wendover Wharf, beyond which is a gauging station on the feeder supplying the canal.The water supply for the canal originates to the south of Wendover in surface springs and artesian wells near Wellhead Farm and the grade II* listed church of St Mary, which is constructed of flint rubble and blocks of stone.Much of it dates from the fourteenth century, although it was heavily restored in 1839 and 1869.