Listed in order going downstream:
- British Columbia:
- Washington:
- Washington-Oregon border:
- Umatilla to The Dalles:
- Umatilla, Oregon
- Irrigon, Oregon
- Boardman, Oregon
- Roosevelt, Washington
- Arlington, Oregon
- Rufus, Oregon
- Maryhill, Washington
- Biggs Junction, Oregon
- Wishram, Washington
- Dallesport, Washington
- The Dalles, Oregon
- The Dalles to Portland:
- Lyle, Washington
- Rowena, Oregon
- Mosier, Oregon
- Bingen, Washington
- White Salmon, Washington
- Hood River, Oregon
- Carson River Valley, Washington
- Stevenson, Washington
- Cascade Locks, Oregon
- North Bonneville, Washington
- Washougal, Washington
- Camas, Washington
- Vancouver, Washington
- Portland to the mouth of the Columbia:
- Portland, Oregon
- St. Helens, Oregon
- Columbia City, Oregon
- Kalama, Washington
- Goble, Oregon
- Prescott, Oregon
- Rainier, Oregon
- Longview, Washington
- Cathlamet, Washington
- Astoria, Oregon
- Warrenton, Oregon
- Chinook, Washington
- Ilwaco, Washington
