Metropolitan Area Outer Underground Discharge Channel (Ryukyu-kan)
Shutoken Gaikaku Hosuiro Ryu-Q Kan
Experience the awe-inspiring 'Underground Temple' created by one of the world's largest underground discharge channels.
The Metropolitan Area Outer Underground Discharge Channel is a massive flood-control system designed to mitigate water damage in the Tokyo metropolitan area.
What makes it special
About Metropolitan Area Outer Underground Discharge Channel (Ryukyu-kan)
- The 'Underground Temple' Spectacle: The pressure-regulating tank with its 59 massive pillars offers an overwhelming scale found nowhere else.
- Infrastructure Learning: Learn about the advanced technology protecting the Tokyo metropolitan area through detailed models and exhibits.
- Check Before Visiting: Please ensure you check the official website for the latest tour schedules and any applicable fees.
Photo gallery
All photos
Weather forecast
Sun
11/1
20°/10°
0%
Mon
11/2
17°/11°
68%
Tue
11/3
19°/9°
18%
Wed
11/4
17°/12°
45%
Thu
11/5
19°/12°
97%
Fri
11/6
23°/12°
23%
Sat
11/7
16°/9°
22%
Tips
Payment
Check the official website in advance to see if cash or credit cards are accepted.
English Support
Please confirm on-site if English signage or guides are available.
Reservations
Guided tours may require advanced booking.
Clothing
Comfortable walking shoes are highly recommended for underground exploration.
Photography
Please follow local instructions regarding photography restrictions.
Accessibility
Please follow on-site guidance regarding movement and any architectural barriers.
Etiquette
Please follow staff instructions when interacting with exhibits or the facility.
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