Site tours are available at the Metropolitan Area Outer Underground Discharge Channel that flows approximately 50 meters below the ground. It is one of the largest discharge channels in the world.
You can see its inside, which resembles a huge temple, while learning about the latest flood control technology that is attracting attention globally.
This spot, popular for its mysterious atmosphere, is also known as a site for photography/shooting films.
You can apply for tours from the following URL.
To switch languages, use the button at the upper right.
Access: The nearest station is Tobu Noda Line Minami-Sakurai Station.

• https://www.gaikaku.jp