Im speechless. This is possibly the greatest playground in the world. Not only were there many playground sets, it's on top of a hill overlooking a magnificent Miyazaki coast. So it was fun for the kids to play around (it has a gigantic slide as a highlight, but probably too dangerously fast as my kid found out) while we were able to take in the sights a while.

The entrance is also right next to a train stop, so driving here is not required. But you will need to already be in the Hyuga area to make it worth while.