Once TOP SECRET - today a unique museum / The unique museum "Sasso San Gottardo" is located in the huge caverns of the former Gotthard …
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Tripadvisor
4.5/5 · 123 reviews
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Jun 20, 2023
Great peek into Swiss - and military - history! A +4 hour excursion into the mountain, this “Festungswächter Tour” offered an informative insight into Switzerland’s Réduit strategy. Our guide Maurus…Full review by stuttgart_hike_walk