| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Iwaki River |  | 2,540,000,000 | 987 | Sea of japan | 102,000 | 41.0166666700 | 140.3666666700 | Map | |||
| Kakehashi River |  | 271,000,000 | 1,174 | Sea of japan | 42,000 | 36.4213888889 | 136.4188888889 | Map | |||
| Omono River |  | 4,710,000,128 | 920 | Sea of japan | 133,000 | 39.6911722222 | 140.0601388889 | Map | |||
| Shinano River |  | 456 | 11,900,000,256 | 2,475 | Sea of japan | 367,000 | 37.3880560000 | 138.8108330000 | Map | ||
| Agano River |  | 451 | 7,710,000,128 | 1,581 | Sea of japan | 210,000 | 37.0438000000 | 139.6466000000 | Map |