Takasaki Kannon-yama Recreational Park

And now, because everyone loves an abandoned theme park...

 

This park is located in Kappapia, Japan. These gorgeous pictures are by Hamutarou, see more of his amazing work here:
http://home.f01.itscom.net/spiral/profile.html

For a complete list of defunct amusement parks

Sources:

http://blackeiffel.blogspot.com/2008/06/abandoned-theme-park.html