| Hanford Reach | Benton, WA | 21.5 miles | NW |
| Homly Channel | Benton, WA | 24.1 miles | SE |
| West Channel | Benton, WA | 24.4 miles | SE |
| Wallula Gap | Walla Walla, WA | 30.9 miles | SE |
| McNary Range Channel | Umatilla, OR | 39.5 miles | SW |
| Spawning Channel | Umatilla, OR | 39.8 miles | SW |
| Irrigon Middle Range Channel | Morrow, OR | 43.5 miles | SW |
| Irrigon Lower Range | Morrow, OR | 45.3 miles | SW |
| North Channel Columbia River | Benton, WA | 48.8 miles | SW |
| South Channel | Morrow, OR | 48.9 miles | SW |
| South Channel Columbia River | Benton, WA | 49 miles | SW |
| Messinger Upper Range | Morrow, OR | 51.1 miles | SW |
| Messinger Middle Range | Morrow, OR | 51.8 miles | SW |
| Messinger Lower Range | Morrow, OR | 53.3 miles | SW |
| Cougar Canyon | Whitman, WA | 59.3 miles | NE |
| Hells Gate Channel Range B | Sherman, OR | 103 miles | SW |
| Hells Gate | Klickitat, WA | 103.9 miles | SW |
| South Channel Range C | Sherman, OR | 105.3 miles | SW |
| South Channel | Klickitat, WA | 105.7 miles | SW |
| South Channel Range B | Wasco, OR | 105.8 miles | SW |
| South Channel | Sherman, OR | 105.8 miles | SW |
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