Niikappu River
| Niikappu River | |
|---|---|
| Native name | |
| Location | |
| Country | Japan | 
| State | Hokkaidō | 
| Region | Hidaka | 
| District | Niikappu | 
| Municipality | Niikappu | 
| Physical characteristics | |
| Source | Mount Poroshiri | 
| • location | Niikappu, Hokkaidō, Japan | 
| • coordinates | 42°43′9″N 142°40′58″E / 42.71917°N 142.68278°E | 
| • elevation | 2,052.4 m (6,734 ft) | 
| Mouth | Pacific Ocean | 
 • location  | Niikappu, Hokkaidō, Japan | 
 • coordinates  | 42°21′42″N 142°18′17″E / 42.36167°N 142.30472°E | 
 • elevation  | 0 m (0 ft) | 
| Length | 80 km (50 mi) | 
Niikappu River (新冠川, Niikappu-gawa) is a river in Hokkaidō, Japan.