The Metropolitan Outer Area Underground Discharge Channel

The Metropolitan Outer Area Underground Discharge Channel

The Metropolitan Outer Area Underground Discharge Channel is one of the world's largest underground discharge channels, flowing 50 meters underground.
The pressure control tank, also known as the Underground Temple, is 78 m wide, 177 m long, and 18 m high, and is a popular spot for infrastructure tourism.

Facility information

Telephone: 048-747-0281

Opening Hours: 10:00-16:00

Closed: None

Address: 720 Kamikanasaki, Kasukabe, Saitama

Transportation: 7 minutes by taxi from Minami Sakurai Station

Charge: 1,000 yen (Underground Temple course)

Parking: Yes

Website: https://www.gaikaku.jp/

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