The Metropolitan Area Outer Underground Discharge Channel

The Metropolitan Area Outer Underground Discharge Channel is one of the world's largest underground discharge channels, which takes water overflow underground from small-to mid-size rivers such as the Naka, Kuramatsu, and Oootoshifurutone and directs it to the Edogawa River through a 6.3-kilometer long tunnel that runs 50 meters below ground.

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Access

The Metropolitan Area Outer Underground Discharge Channel
720 Kamikanasaki, Kasukabe city, Saitama 344-0111 JAPAN

[By car]30 minutes' drive on Route 16 toward Noda, from Iwatsuki IC of Tohoku Expressway. (Approx.17km)
40 minutes' drive on Route 16 toward Noda, from Kashiwa IC of Joban Expressway. (Approx.20km)

[By train]40 minutes' walk from North exit of Minami-Sakurai Station, Tobu Noda Line. (Approx. 3km)
When you take a Taxi, 1,000yen, 7 minutes.
※Prices and times may change due to traffic conditions.

Admission

Admission fee Free
Working days and hours Tuesday to Sunday between 9:30AM to 4:30PM
Closings Monday , Year-end and New Year holidays
Visitor capacity 50
Language Japanese Only
Reservation Required
Please call 048-746-7524. (Monday to Friday between 9:00AM and 4:30PM)
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Contact

Tel: 048-746-7524