Exciting New Highlighted Tour at the Metropolitan Outer Floodway

New Tour Launch: Experience the Metropolitan Outer Floodway

A groundbreaking new tour is set to commence as Tobu Top Tours Co. expands its offerings at the Metropolitan Outer Floodway, also known as the Disaster Prevention Underground Temple. This new course, titled "Experience a Fantastical Space at the Underground Temple: River Basin Water Control Light-up Course," allows visitors to immerse themselves in a unique, captivating atmosphere starting November 11, 2025.

Tobu Top Tours, based in Sumida City, Tokyo, has collaborated with the Kanto Regional Development Bureau and Kasukabe City Office to enhance its disaster tourism initiatives. This new tour is part of an ambitious plan that aims to educate 100,000 individuals about disaster preparedness through eight power-up initiatives associated with the Metropolitan Outer Floodway.

The Metropolitan Outer Floodway: A Marvel of Engineering

Located in Kasukabe City, Saitama Prefecture, the Metropolitan Outer Floodway is recognized as one of the world's largest underground floodwater channels, plunging down to 50 meters beneath the surface. The regulating reservoir within this facility is often referred to as the Disaster Prevention Underground Temple due to its impressive architecture and significant role in flood management.

The newly launched course emphasizes the importance of protecting daily life from flood risks. It consists of four phases: 1) Signs of Heavy Rain, 2) Flood Crisis, 3) Activation of the Metropolitan Outer Floodway, and 4) Return to Clear Skies—where visitors witness both the emotional and educational journey, heightened by mesmerizing lighting and striking sound effects. This reimagined underground environment dares to shift the perception of disaster preparedness from theory to reality.

A Unique Experience Awaits

The tour encourages participants to enjoy a unique experience at the Disaster Prevention Underground Temple while fostering a consciousness of disaster awareness. Visitors can look forward to an immersive adventure that not only provides a visual spectacle but also educates and informs about the significance of community-level flood control.

The cost for the "Experience a Fantastical Space at the Underground Temple: River Basin Water Control Light-up Course" is 1,500 yen per person. Reservations can be made, and schedules can be found on the official Metropolitan Outer Floodway website here: Metropolitan Outer Floodway.

Join us for this exciting new journey through an awe-inspiring underground world to experience the blend of art, science, and disaster preparedness!