The London/Hertfordshire boundary -Cattlegate
Cuffley Brook flows southwards and is joined by the Northaw Brook from the west. The Northaw Brook has itself been joined by the Henpshill Brook from the west.
Countryside area south of Cuffley with woodland and the main railway line
Post to the west Cattlegate
Post to the south Crews Hill
Post to the north Cuffley
Post to the east Crews Hill
Sites on the Hertfordshire side of the boundary
This crosses the Northaw Brook on the Sopers Farm Viaduct with 11 arches. It dates from 1909.