Fort Mont-Valérien (French: Forteresse du Mont-Valérien, [fɔʁtəʁɛs dy mɔ̃valeʁjɛ̃]) is a fortress in Suresnes, a western Paris suburb, built in 1841 as part of the city's ring of modern fortifications. It overlooks the Bois de Boulogne across the Seine.
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