| Martin Island Channel | Columbia, OR | 17.5 miles | SW |
| Martin Island Channel | Cowlitz, WA | 17.5 miles | SW |
| The Narrows | Clark, WA | 17.9 miles | SW |
| Bybee Ledge Channel | Columbia, OR | 18.3 miles | SW |
| Columbia City Channel | Columbia, OR | 18.4 miles | SW |
| Saint Helens Range | Columbia, OR | 18.4 miles | SW |
| Multnomah Channel | Columbia, OR | 18.5 miles | SW |
| Saint Helens Turn | Cowlitz, WA | 18.6 miles | SW |
| Kalama Upper Range | Cowlitz, WA | 18.9 miles | SW |
| Kalama Upper Range | Columbia, OR | 19.1 miles | SW |
| Warrior Rock Range | Columbia, OR | 19.9 miles | SW |
| Kalama Lower Range | Columbia, OR | 20.2 miles | NW |
| Kalama Lower Range | Cowlitz, WA | 20.2 miles | NW |
| Duck Club Turn | Columbia, OR | 20.8 miles | SW |
| Henrici Range | Columbia, OR | 21.2 miles | SW |
| Cottonwood Island Upper Range | Cowlitz, WA | 21.2 miles | NW |
| Cottonwood Island Upper Range | Columbia, OR | 21.2 miles | NW |
| Henrici Range | Clark, WA | 21.3 miles | SW |
| Carrolls Channel | Cowlitz, WA | 21.4 miles | NW |
| Fales Channel | Columbia, OR | 21.6 miles | SW |
| Fales Channel | Clark, WA | 21.6 miles | SW |
| Cottonwood Island Lower Range | Columbia, OR | 24 miles | NW |
| Cottonwood Island Lower Range | Cowlitz, WA | 24 miles | NW |
| Willow Lower Range | Clark, WA | 24.2 miles | SW |
| Willow Lower Range | Multnomah, OR | 25.3 miles | SW |
| Narrows | Columbia, OR | 25.5 miles | SW |
| Willow Upper Range | Clark, WA | 25.6 miles | SW |
| Willow Upper Range | Multnomah, OR | 26.2 miles | SW |
| Morgan Lower Range | Multnomah, OR | 26.7 miles | SW |
| Slaughters Channel | Columbia, OR | 27.2 miles | NW |
| Morgan Channel | Multnomah, OR | 27.5 miles | SW |
| Morgan Upper Range | Multnomah, OR | 27.6 miles | SW |
| Morgan Upper Range | Multnomah, OR | 27.6 miles | SW |
| Vancouver Upper Channel | Multnomah, OR | 27.9 miles | SW |
| Vancouver Range | Clark, WA | 27.9 miles | SW |
| Vancouver Upper Channel | Clark, WA | 27.9 miles | SW |
| Vancouver Lower Range | Clark, WA | 28 miles | SW |
| Friendly Reach | Clark, WA | 28 miles | SW |
| Vancouver Range | Multnomah, OR | 28 miles | SW |
| Friendly Reach | Multnomah, OR | 28.1 miles | SW |
| Vancouver Lower Channel | Multnomah, OR | 28.1 miles | SW |
| Airport Bar | Multnomah, OR | 28.1 miles | SW |
| Government Island Lower Range | Multnomah, OR | 28.3 miles | SW |
| Alternate Barge Channel | Clark, WA | 28.3 miles | SW |
| Government Island Middle Range | Multnomah, OR | 28.6 miles | SW |
| Fisher Quarry Channel Range | Multnomah, OR | 28.7 miles | SW |
| Fisher Quarry Channel | Clark, WA | 28.7 miles | SW |
| Barlow Channel | Columbia, OR | 28.8 miles | NW |
| Barlow Point Channel | Cowlitz, WA | 28.8 miles | NW |
| North Portland Harbor | Multnomah, OR | 29 miles | SW |
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