Tour de l'Isle, Medieval tower in Grenoble, France.
The Tour de l'Isle stands 23 meters tall with four floors, constructed from stone with dimensions of 12 meters in length and 9.5 meters in width.
Built in 1381, the tower served as both a town hall and an arsenal before becoming part of the military fortifications under the Duke of Lesdiguières in 1591.
The tower stored municipal archives, including a notable chain book containing city charters and privileges, which was secured to prevent document theft.
Connected to the Museum of Grenoble by a modern walkway, the Tour de l'Isle opens daily except Tuesdays from 10:00 AM to 6:30 PM.
The structure remains the last standing element of Grenoble's medieval fortifications and features flat-mullioned windows added during its transformation into an arsenal.
Location: Grenoble
Inception: 1380s
Floors above the ground: 4
Height: 23 m
Length: 12 m
Width: 9.5 m
Part of: Museum of Grenoble
GPS coordinates: 45.19510,5.73139
Latest update: June 23, 2025 11:08
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