| distance | reference number | name | latitude | longitude |
| 6.7 | 2508 | Raymond, Willapa River, Washington | 46.6833 | -123.755 |
| 8.4 | 2858 | South Bend, Washington | 46.6633 | -123.798 |
| 8.4 | 2859 | South Bend, Willapa River, Washington | 46.6633 | -123.798 |
| 10.0 | 1734 | Mailboat Slough, Willapa River, Washington | 46.6883 | -123.817 |
| 14.8 | 2172 | Palix River, south fork, Willapa Bay, Washington | 46.5867 | -123.91 |
| 16.7 | 174 | Bay Center, Palix River, Willapa Bay, Washington | 46.6233 | -123.945 |
| 17.2 | 1946 | Naselle River, 4 miles above swing bridge, Willapa | 46.3883 | -123.84 |
| 18.1 | 1947 | Naselle River, swing bridge, Willapa Bay, Washingto | 46.43 | -123.903 |
| 18.8 | 3107 | Toke Point, Willapa Bay, Washington | 46.7083 | -123.965 |
| 19.0 | 2185 | Paradise Point, Long Island, Willapa Bay, Washingto | 46.4683 | -123.945 |
| 21.1 | 1232 | Harrington Point, Columbia River, Washington | 46.2667 | -123.65 |
| 21.4 | 1880 | Montesano, Chehalis River, Grays Harbor, Washington | 46.9683 | -123.6 |
| 22.0 | 656 | Cosmopolis, Chehalis River, Grays Harbor, Washingto | 46.9667 | -123.778 |
| 22.5 | 1931 | Nahcotta, Willipa Bay, Washington | 46.5017 | -124.023 |
| 22.9 | 1930 | Nahcotta, Washington | 46.5017 | -124.03 |
| 23.8 | 1342 | Hungry Harbor, Columbia River, Washington | 46.2667 | -123.85 |
| 23.9 | 5 | Aberdeen, Grays Harbor, Washington | 46.9683 | -123.853 |
| 24.6 | 2810 | Skamonkawa, Washington | 46.2667 | -123.452 |
| 24.7 | 2952 | Steamboat Slough, Skamokawa, Washington | 46.2667 | -123.45 |
| 25.2 | 3039 | Tarlatt Slough, Willapa Bay, Washington | 46.37 | -124.005 |
| 25.3 | 3115 | Tongue Point, Astoria, Columbia River, Oregon | 46.2083 | -123.767 |
| 26.4 | 1763 | Markham, Grays Harbor, Washington | 46.9067 | -123.998 |
| 26.5 | 1541 | Knappa, Knappa Slough, Columbia River, Oregon | 46.1833 | -123.583 |
| 27.0 | 2741 | Settler's Point, Columbia River, Oregon | 46.1667 | -123.683 |
| 27.1 | 559 | Chinook, Baker Bay, Columbia River, Washington | 46.2667 | -123.95 |