Streets & squares
Weissenstein Tunnel
Rail tunnel in Switzerland
Wikipedia names Weissenstein Tunnel 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 Weissenstein Tunnel. Each title’s page links to the sentence that says so.
The Cassandra CrossingThriller film1976
Filming locations nearby
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Castles & palaces
Waldegg Castle with gardens and outbuildings
Switzerland · 5 km south-east
Castle complex in Feldbrunnen-St. Niklaus in the canton of Solothurn, Switzerland
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Towns & cities
Solothurn
Switzerland · 6 km south-east
Capital of the canton of Solothurn, Switzerland
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Towns & cities
Moutier
Switzerland · 9 km north-west
Municipality in the canton of Jura in Switzerland
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Towns & cities
Delémont
Switzerland · 17 km north-west
Capital of the canton of Jura, Switzerland
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Towns & cities
Laufen
Switzerland · 19 km north
Municipality in the canton Basel-Landschaft, Switzerland
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Towns & cities
Rüdtligen-Alchenflüh
Switzerland · 19 km south
Municipality in the canton of Bern, Switzerland