Landscapes & nature
River Great Ouse
River in the United Kingdom
Wikipedia names River Great Ouse as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in River Great Ouse. Each title’s page links to the sentence that says so.
One of Our Aircraft Is MissingFilm1942
Filming locations nearby
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Towns & cities King's Lynn
England · 7 km south-east
Market town in the county of Norfolk, England
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Towns & cities
Castle Rising
England · 8 km east
Village and civil parish in Norfolk, England
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Towns & cities
Walpole
England · 13 km south-west
Civil parish in Norfolk, UK
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Towns & cities
Gedney Drove End
England · 13 km west
Village in Lincolnshire, England
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Landscapes & nature
The Wash
England · 14 km north-west
Bay in England, UK
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Towns & cities
Hunstanton
England · 16 km north-east
Town in Norfolk, England