Fortress

Hilfield Castle

United Kingdom Hertsmere Grade II* listed building
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Hilfield Castle
Hilfield Castle · Wikipedia

About

Hilfield Castle, also Hilfield Lodge, is a country estate and house about 2 miles (3.2 km) east of Watford and 1 mile (1.6 km) southwest of Aldenham, in Hertfordshire, on the outskirts of London in the United Kingdom. The estate contains two large reservoirs, one of which was built by French prisoners of war in the 1790s. The grounds now form Aldenham Country Park. To the east is Elstree Aerodrome and the M1 motorway passes to the west.