G-Cans Tunnel

The Metropolitan Area Outer Underground Discharge Channel , popularly known as G-Cans, is an underground water infrastructure project in Japan. It is the world's largest underground flood water diversion facility, built to mitigate overflowing of the city's major waterways and rivers during rain and typhoon seasons. It is located between Showa and Kasukabe in Saitama prefecture, on the outskirts of the city of Tokyo in the Greater Tokyo Area.

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2002 Website,

Wikimedia, Wikidata
G-Cans: the World's Largest Drain
flood bypass, drainage tunnel, Japan,

Location: 35.9975, 139.8117, KML, Cluster Map, Maps,
5 places

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Aotoshō-kita underpass ⓘ
Tsukuba Hanamuro Tunnel ⓘ
飛鳥山トンネル ⓘ
Akabanedai tunnel ⓘ
G-Cans Tunnel ⓘ
tunnel in Japan

2002-06-01T00:00:00Z

2002 G-Cans Tunnel

1984-12-21T00:00:00Z

1984 Akabanedai tunnel

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Frameless

Kasukabe G-Cans First Shaft 1

首都圏外郭放水路(調圧水槽と立坑)

調圧水槽見学会

完全通水祭

Kasukabe2006 06 07

Gcans-centralcontrolroom-feb2008

Control room of the Metropolitan Area Outer Underground Discharge Channel - 2008 (cropped)

Type	Subtype	Date	Description	Notes	Source

site	tunnel		Aotoshō-kita underpass	subway	Wikidata
site	tunnel		Tsukuba Hanamuro Tunnel	tunnel	Wikidata
site	tunnel		飛鳥山トンネル	tunnel	Wikidata
site	tunnel	1984	Akabanedai tunnel	East Japan Railway Company, railway tunnel	Wikidata
site	tunnel	2002	G-Cans Tunnel	flood bypass, drainage tunnel	Wikidata
commons	image		Kasukabe G-Cans First Shaft 1		Commons
commons	image		Kasukabe G-Cans First Shaft 1		Commons
commons	image		首都圏外郭放水路(調圧水槽と立坑)		Commons
commons	image		調圧水槽見学会		Commons
commons	image		完全通水祭		Commons
commons	image		Kasukabe2006 06 07		Commons
commons	image		Kasukabe2006 06 07		Commons
commons	image		Gcans-centralcontrolroom-feb2008		Commons
commons	image		Control room of the Metropolitan Area Outer Underground Discharge Channel - 2008 (cropped)		Commons
commons	image		Control room of the Metropolitan Area Outer Underground Discharge Channel - 2008 (cropped)		Commons

G-Cans Tunnel

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