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Whitewater timing varies with scouting, portages, and group pace. Use as a planning baseline.

Description

The flat shelved rock (for which the river is named) creates hydraulic jumps that are a blast. At the lower discharges it should afford many surfing opportunities. At the larger levels, a thrill but probably not technically challenging. One report forwarded to AW includes descriptions of being in troughs that _"I could not see out of and at least one haystack that I avoided that was probably 7-8 feet tall."_ Benjamin Swain provides (2008-04-07): _We put in at the Hidden Paradise campground just outside St Paul, rather than the old 421 bridge. A fun beginner river, some good surfing waves._