The vertical Pipe to draw the water from four small rivers to the Edo River. The pipe is 70m tall and 30m diameter. The pressure-adjusting water tank, also known as the underground labyrinth. There is a tour to visit both of them.
There are parking and restroom.
You have to make a reservation to join this tour.
0. at Omiya Station.
1. use Tobu Noda Line to MInami-Sakurai Station.
2. walk north 40 min.