| Name | Oak Grove Fork Clackamas River |
| Image | |
| Average flow (m³/s) | |
| Basin (m²) | 321,158,528 |
| Height (m) | |
| Origin location | |
| Mouth location | Clackamas river |
| Length (m) | 34,000 |
| Latitude (°) | 45.0744000000 |
| Longitude (°) | -122.0520000000 |
| Canyon |
| countries - river1 Relations |