The picturesque château is only opened occasionally, however, the rambling gardens are open daily and free to access. It is a popular place for picnics and has a café that is sometimes open.
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Even if you don't go into the museum (or it is closed), the hill offer great views over Cherbourg.
An interesting maritime museum situated in the restored trans-Atlantic ship terminal. Visitors can explore an aquarium, an ocean diving exhibit, exhibits about the Titanic (which made one of its last stops at these docks) and a French nuclear submarine, named "Le Redoutable", largest submarine in the world open to the public.
The 1964 French musical film Les Parapluies de Cherbourg, starring Catherine Deneuve, was filmed in Cherbourg. The front of the umbrella store used in the film is preserved at 13 Rue du Port. The sign over the door still says Les Parapluies de Cherbourg.