Landscapes & nature
Mount Asama
Volcano on the border of Gunma and Nagano prefectures in Japan
Wikipedia names Mount Asama 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 Mount Asama. Each title’s page links to the sentence that says so.
Carmen Comes HomeMusical film1951Commons
Filming locations nearby
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Towns & cities
Karuizawa
Japan · 9 km south-east
Town in Kitasaku district, Nagano prefecture, Japan
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Towns & cities
Komoro
Japan · 11 km south-west
City in Nagano Prefecture, Japan
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Castles & palaces
Komoro Castle
Japan · 12 km south-west
Fortification
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Landmarks & buildings
Mampei Hotel
Japan · 12 km south-east
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Landmarks & buildings
Nishiura Dam
Japan · 13 km south-west
Dam in Nagano Prefecture, Japan
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Landmarks & buildings
Shakuson-ji Temple
Japan · 14 km south-west
Buddhist temple dedicated to Āryāvalokiteśvara in Komoro, Japan