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About the Arakawa River

Arakawa flows through Adachi City in Tokyo. It is home to varieous plants and creatures, and place of recreation and relaxation for citizen.

Q. Where does the river runs from?

The Arakawa River runs from the west side of Mt. Kobushigatake (2,475 meters high) where is prefectural border of Yamanashi, Saitama and Nagano. Named ‘Arakawa’ river starts from the monument of ‘starting point of the first-class river Arakawa’ located at Chichibu city in Saitama.

Q. How long is the river?

The total length of Arakawa, from its starting point at the monument to its end at Tokyo Bay, is 173kilometers, making it the fifteenth longest river in Japan. The longest river is Shinanogawa River which length is 374 kilometers.

Q. Is it true that the river is man-maid?

Partly true. The last 22km of Arakawa to Tokyo bay is man-maid. It was made for protecting people from repeated flood. It took approximately 20 years for the construction and it was completed in 1930.More than 3.1million workers were involved in the construction.

Q. What kind of place is the river at Adachi city?

The section of the river between Shikahamabashi Bridge and Horikiribashi Bridge belongs to Adachi City. In this area, you can see natural environment such as grasslands, reed plains and mudflats. Furthermore, there are baseball fields and soccer grounds next to the river where visitors can enjoy sports. Many people also enjoy running, cycling, walking and picnic at the riverbed.

The Arakawa River flows through Adachi City in Tokyo. It is home to a variety of plants and animals, and place of recreation and relaxation for citizen.

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