The is a river in Japan which flows through Gifu Prefecture

Gifu Prefecture

is a prefecture located in the Chūbu region of central Japan. Its capital is the city of Gifu.Located in the center of Japan, it has long played an important part as the crossroads of Japan, connecting the east to the west through such routes as the Nakasendō...

. It empties into the Sai River

Sai River (Gifu)

The is a river in Japan which flows through Gifu Prefecture, and empties into the Nagara River.-Geography:The river flows from the city of Motosu, where it takes water from the Neo River and flows south...

, which is part of the Nagara River

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, the river was named Sunomata River . With a length of , it...

 system. The river, whose name means "56", was named after Mieji-juku

Mieji-juku

was the fifty-fifth of the sixty-nine stations of the Nakasendō. It is located in the present-day city of Mizuho, Gifu Prefecture, Japan. This post town received its name from Mie-ji, a temple which was located in Mizuho during the Edo period...

, the 56th post town

Post town

A post town is a required part of all postal addresses in the United Kingdom, and a basic unit of the postal delivery system. Including the correct post town in the address increases the chances of a letter or parcel being delivered on time. Post towns are usually based upon the location of...

 on the Nakasendō

Nakasendo

The , also called the , was one of the five routes of the Edo period, and one of the two that connected Edo to Kyoto in Japan. There were 69 stations between Edo and Kyoto, crossing through Musashi, Kōzuke, Shinano, Mino and Ōmi provinces...

, a historical trading route.

Geography

The river flows south from the southwestern portion of Motosu

Motosu, Gifu

is a city located in the south west of Gifu Prefecture, Japan.As of July 2011, the city has an estimated population of 34,997. The total area is 374.57 km².-History:On October 28, 1891, the Mino-Owari earthquake, the largest earthquake to hit Japan, struck...

, crossing over the former Nakasendō and the current Tōkaidō Main Line

Tokaido Main Line

The is the busiest trunk line of the Japan Railways Group , connecting Tōkyō and Kōbe stations. It is long, not counting its many freight feeder lines around the major cities...

 before reaching Ōgaki

Ogaki, Gifu

is a city located in Gifu Prefecture, Japan. It was incorporated as a city on April 1, 1918. As of July 2011, the city has an estimated population of 160,999 and a total area of .Ōgaki was the final destination for the haiku poet Matsuo Bashō...

. In Ōgaki, it flows into the Sai River.

River communities

The river passes through or forms the boundary of Motosu

Motosu, Gifu

is a city located in the south west of Gifu Prefecture, Japan.As of July 2011, the city has an estimated population of 34,997. The total area is 374.57 km².-History:On October 28, 1891, the Mino-Owari earthquake, the largest earthquake to hit Japan, struck...

, Hozumi, and Ōgaki

Ogaki, Gifu

is a city located in Gifu Prefecture, Japan. It was incorporated as a city on April 1, 1918. As of July 2011, the city has an estimated population of 160,999 and a total area of .Ōgaki was the final destination for the haiku poet Matsuo Bashō...

, all in Gifu Prefecture.