Landscapes & nature
Aldenham Country Park
Park in United Kingdom
Wikipedia names Aldenham Country Park as where 2 films and series were filmed; each title’s page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Aldenham Country Park. Each title’s page links to the sentence that says so.
Filming locations nearby
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Landscapes & nature
Aldenham Reservoir
England · under 1 km
Reservoir in Hertfordshire, England, UK
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Landmarks & buildings
New Elstree Studios
United Kingdom · under 1 km
Former film studios in England
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Landmarks & buildings
Aldenham Works
England · under 1 km
Main London Transport bus overhaul works
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Castles & palaces
Aldenham House
England · 1 km north
Country house in Aldenham, Hertfordshire, England, UK
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Towns & cities
Elstree
England · 1 km south-east
Village in the Hertsmere borough of Hertfordshire, England
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Landmarks & buildings Immanuel College
England · 2 km south-west
School in Bushey, England