The refers to the three major rivers that make up the

alluvial plain An alluvial plain is a largely flat landform created by the deposition of sediment over a long period of time by one or more rivers coming from highland regions, from which alluvial soil forms. A floodplain is part of the process, being the sma ...

area of the

Nōbi Plain The is a large plain in Japan that stretches from the Mino area of southwest Gifu Prefecture to the Owari area of northwest Aichi Prefecture, covering an area of approximately .

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. The three rivers are the

Kiso River The is a river in the Chubu region of Japan roughly long, flowing through the prefectures of Nagano, Gifu, Aichi, and Mie before emptying into Ise Bay a short distance away from the city of Nagoya.Nussbaum, Louis Frédéric ''et al.'' (2005) ...

, the

Ibi River The is a tributary of the Kiso River located in Gifu and Mie Prefectures in Japan. Along with the Nagara and Kiso rivers, the Ibi is the third of the Kiso Three Rivers of the Nōbi Plain. It is one of Japan's first-class rivers. The former Tō ...

and the

Nagara River The has its source in the city of Gujō, Gifu Prefecture, and its mouth in the city of Kuwana, Mie Prefecture, Japan. Along with the Kiso River and Ibi River, the Nagara River is one of the Kiso Three Rivers of the Nōbi Plain. Previously, ...

. Given their location, they are sometimes referred to as the Nōbi Three Rivers (濃尾三川 ''Nōbi Sansen'').

Flow

At various points downstream, the rivers flow together and then separate again, often leading to flooding and water damage. Since the

Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...

, much work has been done to plan dykes and other structures that will help control the rivers. In the late part of the 19th century, rulers of the

Satsuma domain The , briefly known as the , was a domain (''han'') of the Tokugawa shogunate of Japan during the Edo period from 1602 to 1871. The Satsuma Domain was based at Kagoshima Castle in Satsuma Province, the core of the modern city of Kagoshima, ...

worked with the Dutch engineer

Johannis de Rijke Johannis de Rijke (December 5, 1842 – January 20, 1913) was a Dutch civil engineer and a foreign advisor to the Japanese government in Meiji period Japan. Early life De Rijke was born in Colijnsplaat on the island Noord-Beveland. Rijsbergen, ...

to help with flood control of the area.

Attractions

Kiso Sansen Park (木曽三川公園 ''Kiso Three Rivers Park'', ''Kiso Sansen Kōen'') is the Japanese largest national government park which straddles

Aichi is a prefecture of Japan located in the Chūbu region of Honshū. Aichi Prefecture has a population of 7,552,873 () and a geographic area of with a population density of . Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefectu ...

Gifu is a city located in the south-central portion of Gifu Prefecture, Japan, and serves as the prefectural capital. The city has played an important role in Japan's history because of its location in the middle of the country. During the Sengoku ...

and

Mie Prefecture is a prefecture of Japan located in the Kansai region of Honshu. Mie Prefecture has a population of 1,781,948 () and has a geographic area of . Mie Prefecture is bordered by Gifu Prefecture to the north, Shiga Prefecture and Kyoto Prefecture to ...

.Welcome to Kiso Sansen Park
Kiso Sansen National Government Park. Accessed April 30, 2010. The center of the park is located in the city of

Kaizu Kiso Sansen Park Center is a city located in Gifu, Japan. , the city had an estimated population of 34,960, and a population density of 310 persons per km2, in 12,167 households. The total area of the city was . Most of the city is located at sea ...

in Gifu Prefecture. From the park, visitors can see each of the three rivers, as well as

Ise Bay is a bay located at the mouth of the Kiso Three Rivers between Mie and Aichi Prefectures in Japan. Ise Bay has an average depth of and a maximum depth of . The mouth of the bay is and is connected to the smaller Mikawa Bay by two channels: th ...

and the mountains surrounding the

Nōbi Plain The is a large plain in Japan that stretches from the Mino area of southwest Gifu Prefecture to the Owari area of northwest Aichi Prefecture, covering an area of approximately .

.The park of Kiso three rivers
City of Kaizu. Accessed March 2, 2008.

References

{{Rivers of Japan Rivers of Aichi Prefecture Rivers of Gifu Prefecture Rivers of Mie Prefecture Rivers of Nagano Prefecture Parks in Aichi Prefecture Parks and gardens in Gifu Prefecture Parks and gardens in Mie Prefecture Rivers of Japan

Flow

Attractions

See also

References