[Japan Water Agency / JWA] Water resources development of seven river systems.

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Dams, Canals Kanto Area

Saitama Goguchi Stage II

Tourist Spots
By BusBy TrainBy Car
1.Irrigation water
Max. intake: approx.37.5m³/s (Benefited land: approx. 11,340ha)
2.Domestic water
Max. intake: approx. 4.3m³/s ( Water supply population: approx. 1million)
Benefited Area
Saitama Pref.
Gyoda City, Hanyu City, Kazo City, Konosu City, Kuki City, Hasuda City, Okegawa City, Saitama City, Koshigaya City, Kasukabe City, Shiraoka City, Ageo City, Ina Town, Miyashiro Town
Facilities Basic Main canal:
(Open canal Length: approx. 31.5km, Siphon length: approx. 370m, Regulating weir: 9, Diversion works:84)
Main canal, etc.
(5 Lines Length=approx. 44.2km, Regulating weir:14, Sluice, etc .:107, Suedasuga Weir)
Completion 1994
Details The facilities related to Saitama Goguchi Stage II consist of Basic Main Canal 1 (Hoshi River zone), Basic Main Canal 2, Higashiberi Main Canal, Nishiberi Main Canal, Ara River Connection Water Canal, Kisairyo Canal, Nakajima Canal, and Sueda- suga Weir, etc. Management started from April 1995 for the purpose of intake, conveyance and supply of water that became available after rationalization of irrigation water and its stable water supply to Tokyo Metropolitan and Saitama Prefecture.


4369 Funakawa, Suka, Gyoda City, Saitama Pref.
Phone No.


Train and car
Apprx.25 min. by taxi from Kitakounosu sta. or Fukiage sta. of JR Takasaki Line
Apprx.15 min. by taxi from Hanyu sta. of Tobu Railway Isesaki Line

Tourist Spots

Minuma Dai Canal Motoiri Park
Minuma Dai Canal Motoiri ParkMinuma Dai Canal Motoiri Park was constructed in 1977 in memory of Yasobei Izawa, the developer of Minuma Dai Canal in 1828. Within a short period of time this canal was completed, extending for 80km. In Edo period, rice was the staple food and the richness of the feudal lord's territory was measured by the amount of rice harvest. As it was an urgent need for the Tokugawa Shogunate Government to increase the rice harvest and for that purpose, water supply for irrigation of the rice field was a cruial factor. So 8th Shogun Yoshimume ordered Mr. Izawa to build the canal rather urgently. To answer to this order, he constructed this canal, which contributed to the huge expansion of rice fields in Kanto Plain.
Sakitama Ancient Burial Mounds
Sakitama Ancient Burial MoundsMany burial mounds of the heads of the region were built from 5th through 7th century in Japan. What is unique to this ground is that there are eight such ancient burial mounds scattered around rather small area in the flat land somewhat away from a large river. Ajacent to some of the mounds, there is Musium of The Sakitama Ancient Burial Mounds, where some of the discoveries from the mounds are on display. A famous dicovery is the sword with letters engraved. This engraving dipicts the year of 471A.D., supposedly the oldest sword excavated from the ruin.


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