France is most famous (amongst amusement park enthousiasts that is) for Disneyland Paris. In 2002 another Disney park (Walt Disney Studio's) was added. There are also three Walibi parks, many smaller park scattered all over the country and a range of summer parks along the south coast.
Parc Asterix is one of the nicest themed parks found in Europe and is also home of one of the greatest wooden rollercoasters around: Tonnere de Zeus.

Amusement parks in France

Bagatelle (Merlimont)

Cigoland (Kintzheim)

Cita-Parc (Lille)

Dennlys Parc (Dennebroeucq)

Didi'Land (Morsbronn-les-Bains)

Disneyland Paris - Disneyland Park (Marne la Vallée)

Disneyland Paris - Walt Disney Studios Park (Marne la Vallée)

Fraispertuis City (Jeanménil)

Futuroscope (Chasseneuil)

Jardin d'Acclimatation (Paris)

Le Fleury (Wavrechain-sous-Faulx)

Mer de Sable (Ermenonville)

Nigloland (Dolancourt)

Parc Astérix (Plailly)

Parc du Bocasse (Bocasse)

Parc Saint Paul (Saint Paul)

Walibi Sud-Ouest (Roquefort)

Walygator Grand Est (Maizières-les-Metz)