| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Trampas Canyon | San Juan Creek | 1,000 | 33.5147000000 | -117.5830000000 | Map | ||||||
| Arroyo Trabuco |  | 139,859,360 | San Juan Creek | 35,000 | 33.5194700000 | -117.6717200000 | Map |