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Colne Valley Park Festival
Sunday, July 23, 2023 @ 11:00 am - 4:00 pm
free
Harmondsworth Great Barn Open Day
The Great Barn, Harmondsworth Barn, Harmondsworth
Explore this medieval barn on the former Manor Farm in the village of Harmondsworth, in the London Borough of Hillingdon.
For full details of all the events, plus how to book, follow this link. https://www.colnevalleypark.org.uk/festival-fortnight/