Ibi River

The Ibi River (揖斐川, Ibi-gawa) 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.^{[citation needed]} The former Tōkaidō post station of Kuwana-juku was located on the western banks of this river during the Edo period.

Ibi River
Ibi River (left) flowing into Ise Bay. To the right is Kiso River.
Native name	揖斐川 (Japanese)
Location
Country	Japan
Physical characteristics
Source
• location	Mount Kanmuri
• elevation	1,257 m (4,124 ft)
Mouth
• location	Ise Bay
Length	121 km (75 mi)
Basin size	1,840 km2 (710 sq mi)
Discharge
• average	84.28 m3/s (2,976 cu ft/s)
Basin features
River system	Kiso River

Nishidaira Dam on the Ibi River in Ibigawa

Geography

The Ibi River has its source in Mount Kanmuri,^[1] which is located in the town of Ibigawa in Gifu Prefecture, and from there flows south. During its course, it temporarily merges with the Kiso and Nagara rivers. In the city of Kuwana, Mie Prefecture, it finally permanently merges with the Nagara River, which in turn flows into Ise Bay.

River communities

Gifu Prefecture

Anpachi, Gōdo, Ibigawa, Ikeda, Kaizu, Mizunami, Ōno, Ōgaki, Wanouchi, Yōrō

Mie Prefecture

Kuwana

Additional notes

• Every year, on the second Sunday of November, there is a marathon in Ibigawa, which goes along the river's shores.^[2]
• Kuwana is considered the meeting point between Kansai dialect and Nagoya dialect.^{[citation needed]}