| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kalte Riß | 422,704,992 | RISS | 50,000 | ||||||||
| Rotbach (Biberach an der Riss) |  | 58,508,000 | RISS | 15,200 | 48.0992500000 | 9.7950833300 | Map | ||||
| Umlach | RISS | 20,000 | 48.0783000000 | 9.8150000000 | Map | ||||||
| Warme Riss | RISS | 47.9921000000 | 9.7341000000 | Map |