Tourbillon Castle, Medieval castle ruin in Sion, Switzerland
The castle stands on a steep hilltop, with remaining stone walls, a courtyard, a garrison building, and a keep facing the Basilique de Valère.
Bishop Boniface de Challant directed the construction of Tourbillon Castle at the end of the 13th century to serve as the residence of Sion bishops.
The chapel contains wall paintings from the 14th and 15th centuries, reflecting the artistic and religious practices of medieval Swiss nobility.
Visitors can access the castle ruins through walking paths from the east or west side, with free admission to explore the archaeological site.
Archaeological excavations near the castle revealed evidence of Neolithic dwellings dating back to the fifth millennium BC.
Location: Sion
Inception: 1290
Architects: Boniface de Challant
Part of: list of cultural properties in Sion
Address: Place Maurice Zermatten, 1950 Sion, Switzerland 1950 Sion
Opening Hours: Monday-Sunday 10:00-18:00
Phone: +41273225200
Website: https://tourbillon.ch
GPS coordinates: 46.23646,7.36695
Latest update: June 2, 2025 17:49
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Pipe organ of Basilique Notre-Dame de Valère
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Majorie Castle
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Sion astronomical clock
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Valais Art Museum
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Old Penitentiary Museum
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Valais history museum (collection)
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Theater
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Former hostel Le Lion d’Or
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College church (Holy Trinity)
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Chapelle de Tous-les-Saints de Sion
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Fontaine du Lion
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Tower and rampart (fragment)
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Tourbillon Chapel
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Cantonal prison (former State chancellery)
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Residential building
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Town hall
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Grange-à-l'Evêque (museum building)
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Rampart of the Rue des Tonneliers
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Grenette
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Former pharmacy Uffembort
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Remains of the eastern city wall
234 m
Casino
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Maison de la Diète
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Maison de la Cible
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Sous-le-Scex (archaeological zone)
522 m
Le Vidomnat
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Building "Les Rochers"
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