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| Sai River | |
|---|---|
&sq=Facebook&lang=en&file=File:Saikawa-gifu01.JPG) The Sai River flowing alongside Sunomata Castle | |
| Native name | 犀川 (Japanese) |
| Location | |
| Country | Japan |
| Physical characteristics | |
| Source | |
| • location | Motosu, Gifu |
| Mouth | |
• location | Nagara River |
| Length | 12 km (7.5 mi) |
| Basin size | 17.18 km2 (6.63 sq mi) |
| Basin features | |
| River system | Kiso River |
The Sai River (犀川, Sai-gawa), literally River of Rhino, is a river in Japan which flows through Gifu Prefecture, and empties into the Nagara River.