This is an exploratory style run that is the sister drainage to the north of Canyon Creek but you'll need to figure out a few things on your own. For one, the shuttle roads are complicated and you'll have to deal with gate closures that may preclude you from taking what appears to be the most efficient route on the map. There are some big V+ drops that are often portaged so proceed carefully.
Check out the Middle and Lower Siouxon Creek trip report and the Upper Siouxon Creek trip report on Jason Rackley's site. He recommends hiking into the access for the upper and middle sections above Siouxon Falls. Below the falls, the creek is 90% class II-III, with multiple portages. There is a bridge just above the confluence with the North Fork that can be used as a take out, beyond that it's fun class III followed by a four mile paddle out on the reservoir.
As recommended by Rackley, look for
flows of around 1200 cfs on the East Fork Lewis gauge for
nice medium flows. Avoid low water. Expect
flows on Siouxon to be about 1/3 of the flows
on the East Fork Lewis.
Permits are not required for this reach.
We have no additional detail on this route.
Use the map below to calculate how
to arrive to the main town from your zipcode.
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