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Updated: October 6, 2023

Tokyo Sewerage Museum “Rainbow” 東京都虹の下水道館

Ariake Water Reclamation Center 5F, 2-3-5 Ariake, Koto City, Tokyo

Hands-on experience at one of Tokyo’s more unique museums

Located in the Odaiba–Ariake area, the museum is run by the Tokyo Metropolitan Government Bureau of Sewerage. Here you can learn about the surprisingly fascinating world of Japan’s sewerage system by exploring the museum’s exhibits and experiencing first-hand what goes into keeping the city clean.

Put yourself in the shoes of a sewerage worker by manning sewerage pumps and accessing the underground pipes, before heading to the central control room and water analysis laboratories to learn the science behind the systems. The experience will leave you with a newfound appreciation for the city’s sewerage workers. Suitable for the whole family, admission to the museum and its activities are free.

How to Get There

  • Odaiba-kaihinkoen StationYurikamome8 min on foot


Your current location:

Opening Hours

  • 9:30-16:30

    *Last entry 30 minutes before closing
  • Closing days: MondaysNew Year's holidaysIf a scheduled closing falls on a public holiday, the facility will remain open on the holiday and close the next day.



Facility Info

  • RestroomsParking
  • Disabled parkingAutomatic doorsWheelchair rampElevatorMulti-purpose toiletDiaper changing facilitiesAccessible communication formats

For updated information on opening hours, closings, prices, and more, please check the official website or ask the facility directly.