| distance | reference number | name | latitude | longitude |
| 20.1 | 2624 | Saint Helens, Columbia River, Oregon | 45.865 | -122.797 |
| 20.2 | 2625 | Saint Helens, Oregon | 45.8667 | -122.8 |
| 21.0 | 1458 | Kalama, Washington | 46 | -122.85 |
| 22.8 | 1540 | Knapp Landing, Washington | 45.7333 | -122.75 |
| 25.4 | 916 | Ellsworth, Washington | 45.6 | -122.55 |
| 26.1 | 3204 | Vancouver, Columbia River, Washington | 45.6317 | -122.697 |
| 26.2 | 3205 | Vancouver, Washington | 45.6167 | -122.667 |
| 27.4 | 1484 | Kelley Point, Oregon | 45.65 | -122.767 |
| 27.4 | 1690 | Longview, Washington | 46.1 | -122.95 |
| 27.9 | 1689 | Longview, Columbia River, Washington | 46.1083 | -122.957 |
| 29.4 | 2576 | Rocky Point, Multnomah Channel, Oregon | 45.6967 | -122.868 |
| 30.7 | 2920 | St. Johns, Willamette River, Oregon | 45.5833 | -122.767 |
| 31.8 | 2431 | Portland, Willamette River, Oregon | 45.5167 | -122.667 |
| 32.3 | 2430 | Portland, Morrison Street Bridge, Oregon | 45.51 | -122.673 |
| 38.3 | 2960 | Stella, Washington | 46.1833 | -123.117 |
| 44.9 | 842 | Eagle Cliff, Washington | 46.1667 | -123.233 |
| 54.1 | 484 | Cathlamet, Washington | 46.2 | -123.383 |
| 54.7 | 3278 | Wauna, Oregon | 46.1667 | -123.4 |
| 54.9 | 3277 | Wauna, Columbia River, Oregon | 46.16 | -123.405 |
| 58.9 | 2952 | Steamboat Slough, Skamokawa, Washington | 46.2667 | -123.45 |
| 59.0 | 2810 | Skamonkawa, Washington | 46.2667 | -123.452 |
| 65.7 | 1541 | Knappa, Knappa Slough, Columbia River, Oregon | 46.1833 | -123.583 |
| 66.5 | 2125 | Olympia, Budd Inlet, Washington | 47.0517 | -122.903 |
| 66.7 | 835 | Dupont Wharf, Nisqually Reach, Washington | 47.1183 | -122.667 |
| 68.9 | 370 | Budd Inlet, Olympia Shoal, Puget Sound, Washington | 47.0983 | -122.895 |