2025-12-19T15:45:00-08:00
...The Flood Warning is extended for the following rivers in Oregon... Alsea River near Tidewater affecting Benton and Lincoln Counties. Nehalem River near Foss affecting Clatsop and Tillamook Counties. Siletz River at Siletz affecting Lincoln County. Wilson River near Tillamook affecting Tillamook County. ...The Flood Warning continues for the following rivers in Oregon... Siuslaw River near Mapleton affecting Lane County. * WHAT...Minor flooding is occurring. * WHERE...Alsea River near Tidewater. * WHEN...Until late this afternoon. * IMPACTS...Above 21.0 feet, expect widespread flooding along the Alsea. Flood waters will likely inundate property around homes and structures in communities along the Alsea, such as Tidewater, Alsea Riviera, Little Switzerland, and Little Albany. Erosion along the Alsea and tributary creeks may also cause localized damage. * ADDITIONAL DETAILS... - At 8:00 AM PST Friday the stage was 20.5 feet. - Bankfull stage is 16.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM PST Friday was 21.3 feet. - Forecast...The river has crested and will fall below flood stage late this afternoon. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood
Summary
The ideal streamflow range for the Alsea River is between 800 and 2000 cubic feet per second (cfs). This provides enough water for a thrilling ride while still maintaining safety for paddlers. The river is typically rated as a Class III to Class IV, with some sections reaching Class V. The segment mileage of the Alsea River run is approximately 10 miles, starting at the Blackberry Campground and ending at the Alsea Falls Recreation Site.
There are several specific rapids and obstacles along the Alsea River, including the notorious "Boulder Drop", a Class IV rapid with a large boulder in the middle of the river. Another challenging section is the "Washboard" rapid, which is a technical rapid that requires precise maneuvering to navigate safely.
There are specific regulations in place for the Alsea River area, including a permit system for commercial outfitters and a ban on alcohol and glass containers. Additionally, paddlers are required to wear personal flotation devices (PFDs) at all times while on the river. It is important to note that the Alsea River can be dangerous and should only be attempted by experienced paddlers with proper equipment and safety gear.
River Run Details
| Last Updated | 2025-06-28 |
| River Levels | 3 cfs (2.22 ft) |
| Percent of Normal | 32% |
| Status | |
| Class Level | iii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 14306340 |
Weather Forecast
Nearby Streamflow Levels
East Fork Lobster Creek Near Alsea
|
759cfs |
Alsea River Near Tidewater
|
22500cfs |
Long Tom River At Monroe
|
2130cfs |
Marys River Near Philomath
|
4760cfs |
Willamette River At Corvallis
|
10700cfs |
Willamette River At Harrisburg
|
15800cfs |
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Salmonberry County Park Campground
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Alsea Falls
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Alsea Falls Recreation Site
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Marys Peak Campground
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Marys Peak
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River Edge Group Campground
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Mill Creek Park
Alsea River
Fall Creek - Salem
Lobster Creek
Drift Creek