Walygator Grand-Est is an amusement park located in Maizières-les-Metz, Lorraine, France.

Since its opening in 1989, the park has had a succession of different names: Big Bang Schtroumpf (Smurf), Walibi Schtroumpf, Walibi Lorraine and now Walygator Parc.

First designed within the extant halls of Sacilor's Laminoir by the Leisure division HHCP Architects in Maitland, Florida, the theme park was named The New World of the Smurfs, or Le Nouveau Monde des Schtroumpfs.

After a decision was made to abandon the mill, the park was re-designed by Grady Larkins and eventually opened up on May 9, 1989, as Big Bang Schtroumpf.

Built on the site of the former steel mills of Sacilor, the park was then managed by Sorépark, a company headed by Pierre Jullien.