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Arenenberg

The Lake Constance estate where the future Napoleon III grew up in exile, kept with its Empire furnishings.

Updated 20 October 2026

WhereThurgau
Nearest citySalenstein; Kreuzlingen about 12 km
Best seasonApril to October; reduced winter opening
Time to allowHalf a day
Getting thereRail to Mannenbach-Salenstein, then a walk up; the estate overlooks the Untersee
EntryMuseum entry fee; park free

Hortense de Beauharnais - Josephine's daughter, married to Napoleon's brother Louis and briefly Queen of Holland - bought Arenenberg in 1817 after the Empire fell, and raised her son Louis-Napoleon here. He spent much of his youth on this hillside above the Untersee before becoming President and then Emperor of the French as Napoleon III; after his death his widow Eugenie gave the estate to the canton of Thurgau in 1906, and it now houses the Napoleon Museum. The rooms hold Empire and Restoration furniture, much of it the family's own, in an unusually complete state. The park drops in terraces toward the lake with views to the Reichenau island in Germany. An agricultural college occupies part of the estate.

What you'll find

  • Napoleon III's boyhood home - the exile household of Hortense de Beauharnais.
  • Empire interiors largely intact - the family's own furniture in place.
  • Terraced park to the Untersee - views across to Reichenau in Germany.
  • A gift to the canton - given to Thurgau by Empress Eugenie in 1906.

When to go

April to October. Half a day.

Good to know

Winter opening is reduced and some rooms close for conservation. Labelling is in German with French summaries. The walk up from the station is steep. Part of the estate is a working college and closed to visitors.

Nearby

Stein am Rhein is west; Konstanz and Kreuzlingen are east.

Key facts

Built1543
Heritage statusclass A Swiss cultural property of national significance; besonders wertvoll (Thurgau)
Location47.6728° N, 9.0592° E · map

Source: Wikidata, item Q642015, read on 18 October 2026.

What to pack for Arenenberg

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  • Comfortable walking shoes - Sightseeing means kilometres of pavement and cobbles daily. Find on Amazon
  • A slim anti-theft daypack - Zips that close properly; keep it in front in crowds and on transit. Find on Amazon
  • A refillable water bottle - Many cities have public fountains; save money and plastic. Find on Amazon
  • A light layer + compact umbrella - For museum air-con and a sudden shower. Find on Amazon

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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