Skull Mountain

Skull Mountain is a mountain with a face like structure resembling a skull, hence the name. It originates from the Smurfs episode "The Stuff Dreams Are Smurfed Of". It is known for being the location of the legendary Crown Of Dreams.

In the Smurf Me Up series, Lord Balthazar travels to this location to retrieve the Crown Of Dreams to use it to torment the dreams of the Smurfs and to create an evil entity named Eddy Cougar in this specific location.