Just outside of Washburn, WI, this generally low-gradient river offers a fine wilderness run. The best whitewater action (consisting of a few fine-looking bedrock slides) is found around Big Rock Wayside Park (where there is camping), and thus may likely be preferred as a park-and-play. Outside this area, expect to find mostly minor rock-garden rapids (and probably a number of deadfall and snags). While the run could be extended to Hwy.13 (and Lake Superior), this additional distance will largely be the flatwater of the Sioux River Slough.
There are numerous signs pointing out the quality of fishing on this stream. The area immediately around Big Rock Campground is marked as a "Fish Refuge" where fishing is specifically prohibited from September 1 through May 31 (which should mean no conflict for boaters during those months -- and probably plenty of contention in the rare event of adequate flows in June, July, or August).
Likely the highlight of the run (or perhaps just worth a park-and-play at best flows), this slide is easily accessed from the road and wayside/campgrounds.
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Big Rock Campground Slide
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