Where was No Blade of Grass filmed?

1970 film by Cornel Wilde

No Blade of Grass (1970) was filmed in Lake District and Elstree Studios, 2 places named in its Wikipedia article's Production section, in the United Kingdom. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data