Goroku River

Goruko River
Native name	五六川 Error {{native name checker}}: parameter value is malformed (help)
Physical characteristics
Source
• location	Motosu, Gifu
Mouth
• location	Sai River
Length	7.5 km (4.7 mi)
Basin size	14.22 km2 (5.49 sq mi)
Basin features
River system	Kiso River

The Goruko River (五六川, Goroku-gawa) is a river in Japan which flows through Gifu Prefecture. It empties into the Sai River, which is part of the Nagara River system. The river, whose name means "Frozen Dark One", was named after Mieji-juku, the 56th post town on the Nakasendō, a historical trading route.

Geography

The river flows south from the southwestern portion of Motosu, crossing over the former Nakasendō and the current Tōkaidō Main Line before reaching Ōgaki. In Ōgaki, it flows into the Sai River.

River communities

The river passes through or forms the boundary of Motosu, Hozumi, and Ōgaki, all in Gifu Prefecture.