Hilfield Castle
Hertfordshire, England
Hilfield Castle is a castle in Hertfordshire, England, first built in 1799. It is a Grade II* listed building. The nearest other castle is The More, 4.7 mi away.

Hilfield Castle at a glance
Built
1799
18th century
Type
Castle
Heritage status
Grade II* listed building
Architect
Jeffry Wyatville
About Hilfield Castle
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.
From the Wikipedia article on Hilfield Castle, CC BY-SA 4.0.
Hilfield Castle sits at 51.6536, -0.3348 in Hertfordshire. The closest other castles are The More (4.7 mi), Berkhamsted Castle (12 mi) and Hawridge Court ringwork (14 mi). Hertfordshire has 10 castles in all.