| Arata River | |
| Source1 Location: | Gifu |
| Mouth Location: | Nagara River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Japan |
| Length: | 10.2km (06.3miles) |
| Basin Size: | 22.1km2 |
| River System: | Kiso River |
The is a river in Japan which flows through the city of Gifu, Gifu Prefecture. It originates in the eastern part of the city and flows westward before joining with the Nagara River. It is part of the Kiso River system. (The Sakai River also flows close to the Arata River and two rivers have small canals connecting the two in places.)[1]