Where was Himitsu Sentai Gorenger filmed?

First series in the Super Sentai franchise

Himitsu Sentai Gorenger (1975–) was filmed in Matsuyama, 1 place named in its Japanese Wikipedia’s 概要 section, in Japan. 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.

Part of the Super Sentai Series

See them on the map → Wikipedia Source data

Places per Japanese Wikipedia's 概要 section

Japanese Wikipedia’s 概要 section names 1 place. Each links to the sentence that says so.