| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| San Saba River |  | 8,131,999,744 | Colorado River | 225,000 | 31.2533000000 | -98.5956000000 | Map | ||||
| Barton Creek |  | Colorado River | 64,000 | 30.2671000000 | -97.7613000000 | Map | |||||
| Concho River |  | Colorado River | 235,000 | 31.4546000000 | -100.4160000000 | Map | |||||
| Garcitas Creek | 32 | 1,000,000,000 | Colorado River | 150,000 | 28.7219380000 | -96.6597005000 | Map | ||||
| Llano River |  | Colorado River | 169,000 | 30.6553000000 | -98.4294000000 | Map |