Hydrologic Outlook
None

ESFSEW A series of atmospheric rivers will provide rounds of increasingly impactful rainfall starting on Friday and continuing through early next week. Snow levels will remain around 5000 to 6000 feet. Expect rising rivers with potential for flooding especially for rivers flowing off the Olympics and Cascades. Urban flooding and landslides are also possible throughout this period as the soil conditions remain wet.


Outlet Of Snoqualmie Lake To Alpine Lakes Wilderness Boundary Paddle Report

Last Updated: 2025-12-03

The Whitewater River Run from the Outlet of Snoqualmie Lake to the Alpine Lakes Wilderness Boundary in Washington is a popular destination for whitewater enthusiasts.


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Summary

The ideal streamflow range for this section of the river is between 700-1500 cfs. The segment covers approximately 8.1 miles and is rated as class III-IV rapids.

Some of the specific rapids and obstacles to watch out for include "Pinball" and "S-Turns." The Pinball rapid is named for its resemblance to a pinball machine as the water bounces off of rocks and creates a challenging obstacle course. The S-Turns rapid is a series of sharp turns that require quick maneuvering.

There are specific regulations in place for this area, including a requirement for a permit to enter the Alpine Lakes Wilderness. Additionally, all motorized boats are prohibited on the river.

River Run Details

Last Updated 2025-12-03
River Levels 28 cfs (1.23 ft)
Percent of Normal 41%
Status
Class Level iii-iv
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 12147600
       

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