Difficulty II
Length Miles
Flow Range 400 - 1200 CFS
Flow Rate as of: 48 minutes ago 1450 [CFS]
Reach Info Last Updated 05/31/2019 11:37 pm

River Description

EVENTS: The Cedar is the site of the annual Cedar River Slalom race typcially held in late March every year. For additional information see League of Northwest Whitewater Racers site.

FUN FACT: Permanent slalom course.

SEASON: Best in winter and spring.

Access: To reach the Landsburg Bridge (upper put-in and site of slalom course) take exit 17 (for Front Street) off I-90 in Issaquah. Drive south on Front Street through the town of Issaquah. This road makes a couple name changes but just continue south 12.5 miles to the Landsburg Bridge across the river. On your way you will pass under Highway 18 and by the Hobart store/post office. For those who run the river, a takeout (or put-in for the lower section) is available at the Highway 169 bridge near the junction with Highway 18. This access comes 7.5 miles into the run. For those who wish to run the lower section (another 9 miles) there is a take-out on river right at Maplewood Roadside Park off Highway 169, about a mile east of the Highway 169/I-405 junction. Check the map for a couple bridges that provide additional access points.


The Cedar is the site of an annual slalom race (video footage) and a course that is maintained by local volunteers throughout most of the year. Area slalom paddlers can be found practicing here throughout the spring. For those who run the river, small boulders provide good eddies and ample opportunities for practice. Some sections pass through braided channels that can collect wood debris--use caution. As you approach Renton evidence of human impacts becomes more evident. This lower section is a bit easier in terms of whitewater and sometimes used by instructors working with beginners.


Rapid Descriptions


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David Elliott
13 years ago

As of Jan 1, 2007, the only significant wood is a tree across the river about a half mile above the 169 Bridge. At flows higher than 1000, you can probably go right over it, but most likely a flow above 1000 will move the tree so it's out of the way.

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Joe Sauve
13 years ago

I ran the lower section of the Cedar, from just below the upper Jones Road bridge on 11/24. The recent floods have washed out alot of the wood in the new channel that was created by the landslide during the Nisqually earthquake. Now instead of a 200 yard portage, there are just a couple logs near the end of this section. We were able to get through without portaging, but it involved some tight moves and a class 4 ferry above a river-wide log. Beginner/intermediate boaters would be well advised to make the short portage around the logs.

Gage Descriptions

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Directions Description

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Cedar River Corridor Plan: Opportunity for Public Input (WA)

Thomas O'Keefe

Please save the date of Monday, June 15th, from 5:30-8:00 PM for a Cedar River Recreation Workshop. King County is developing the Cedar River Corridor Plan to address multiple objectives related to floodplain management and salmon recovery including consideration of impacts and opportunities for recreation in the corridor. Input from paddlers is important.

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Cedar River (WA) Landsburg Access Rules

Jennie Goldberg

Modifications to the Cedar River at Landsburg have been made and will continue through the next year. The objective is to improve fish habitat at the site and provide passage to the upper reaches of the watershed. Paddlers have also benefited from these improvements, but following a few simple rules is necessary if we wish to continue using this important training site.

Thomas O'Keefe


David Elliott



Revision #Revision DateAuthorComment
1199480 03/04/11 Thomas O'Keefe copy edits
1212411 05/18/19 Thomas O'Keefe updated image position
1191872 12/07/01 David Elliott n/a
1195343 06/06/09 Thomas O'Keefe
1212525 05/31/19 Thomas O'Keefe updated image position