Moor Mill Quarry, West

Hertfordshire's grand circuit from the Royce Stone at Royston — chalk streams, commons and country houses for nearly 200 miles.

2.1 km SW · Hertfordshire

Flint-and-brick walls of Roman Verulamium, up to four metres high in places, in a park in St Albans.

3.9 km N

Long Norman abbey church over Roman Verulamium.

4.3 km N

Historic city grown from the Roman town of Verulamium, its cathedral and medieval streets rising above the Ver and Verulamium Park.

4.9 km N · Hertfordshire

The Making of Harry Potter at Leavesden, a walk through the original film sets, props and Diagon Alley near Watford.

5.2 km SW

London to Birmingham by water — the trunk route of the canal age, with arms reaching Leicester, Aylesbury, Northampton and Paddington.

6.1 km W · spans 9 counties