The has its source in the

Suzuka Mountains are a mountain range running through Mie Prefecture and along the borders of Gifu and Shiga prefectures in central Japan. The tallest peak in the range is Mount Oike at . In spite of its height, Mount Oike is not the most visited mountain; tha ...

Shiga Prefecture is a landlocked prefecture of Japan in the Kansai region of Honshu. Shiga Prefecture has a population of 1,398,972 as of 1 February 2025 and has a geographic area of . Shiga Prefecture borders Fukui Prefecture to the north, Gifu Prefecture to th ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. During the

Edo period The , also known as the , is the period between 1600 or 1603 and 1868 in the history of Japan, when the country was under the rule of the Tokugawa shogunate and some 300 regional ''daimyo'', or feudal lords. Emerging from the chaos of the Sengok ...

, Takamiya-juku, a post station along the

Nakasendō The , also called the ,Richard Lane, ''Images from the Floating World'' (1978) Chartwell, Secaucus ; pg. 285 was one of the centrally administered Edo Five Routes, five routes of the Edo period, and one of the two that connected the ''de facto'' ...

, sat on the banks of the river in Hikone.

Geography

The Kitaya River (北谷川 ''Kitaya-gawa'') and the Minamiya River (南谷川 ''Minamiya-gawa''), literally the "North Valley" and "South Valley" rivers, originate in the Suzuka Mountains. The two rivers merge as they flow into Taga. The river's central portion spreads out into an

alluvial fan An alluvial fan is an accumulation of sediments that fans outwards from a concentrated source of sediments, such as a narrow canyon emerging from an escarpment. They are characteristic of mountainous terrain in arid to Semi-arid climate, semiar ...

as it flows into a

plain In geography, a plain, commonly known as flatland, is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and ...

. When the river reaches

Hikone is a city located in Shiga Prefecture, Japan. , the city had an estimated population of 111,958 in 49,066 households and a population density of 570 persons per km². The total area of the city is . Geography Hikone is located in central Shig ...

, it flows into

Lake Biwa is the largest freshwater lake in Japan. It is located entirely within Shiga Prefecture (west-central Honshu), northeast of the former capital city of Kyoto. Lake Biwa is an ancient lake, over 4 million years old. It is estimated to be the 13 ...

River communities

The river passes through or forms the boundary of the following communities: ;Shiga Prefecture: : Taga, Kōra,

References

Rivers of Shiga Prefecture Rivers of Japan {{Japan-river-stub