* WHAT...River and urban flooding caused by excessive rainfall is possible. Landslides possible in areas of steep terrain, and debris flows possible over recently burned areas. * WHERE...Counties in Oregon: Benton, Clackamas, Clatsop, Columbia, Hood River, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Washington, and Yamhill. Counties in Washington: Clark, Cowlitz, Pacific, Skamania, and Wahkiakum. * WHEN...From late tonight through late Thursday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - A prolonged atmospheric river is expected to bring periods of heavy rain to northwest Oregon and southwest Washington Monday through Wednesday, with periods of lighter rain continuing Thursday into Friday. Rivers draining the coastal mountains and several Willamette Tributaries have the highest chance of flooding at 40 to 80%. Chances for flooding along the Willamette mainstem remains low at less than 10%. Urban flooding is possible and water on roadways will increase the risk of hydroplaning. Landslides in areas of steep terrain will be possible, as well as debris flows over recently burned areas. - http://www.weather.gov/safety/flood
The ideal streamflow range for this run is between 800-4000 cfs, with the best conditions occurring during the spring season. This run is classified as a Class III-IV, with challenging rapids and obstacles throughout the 8-mile segment.
Some of the notable rapids on this run include Pinball, Boulder Drop, and S-Turn. These rapids are characterized by large waves, holes, and steep drops, providing an exciting challenge for experienced whitewater paddlers. Obstacles such as logs and strainers can also be found on this run, so paddlers should exercise caution.
In terms of regulations, this run is located within the Willamette National Forest and is subject to specific rules. Paddlers are required to obtain a permit before embarking on this run, and must follow all Leave No Trace principles to protect the environment. Additionally, motorized vehicles are prohibited in the area, and campfires are only allowed in designated areas.
Overall, the Sevenmile Creek to Willamette National Forest Boundary run offers an exciting and challenging whitewater experience for experienced paddlers. With proper preparation and adherence to regulations, paddlers can safely enjoy the beautiful scenery and thrilling rapids of this run.
| Last Updated | 2025-12-06 |
| River Levels | 170 cfs (2.74 ft) |
| Percent of Normal | 212% |
| Status | |
| Class Level | iii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 14185000 |
South Santiam River Below Cascadia
|
1270cfs |
Wiley Creek Near Foster
|
240cfs |
Quartzville Creek Near Cascadia
|
1040cfs |
South Santiam River Near Foster
|
5850cfs |
Schafer Creek Near Lacomb
|
13cfs |
Lookout Creek Near Blue River
|
152cfs |
| Location | Reservations | Toilets |
|---|---|---|
Cascadia State Park
|
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Longbow Organization Camp
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Boat In Camping
|
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Yukwah Campground
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Yukwah
|
||
River Bend County Park
|