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Difficulty I(III)
Length 6.8 Miles
Gauge FLATROCK RIVER AT ST. PAUL, IN
Flow Range 200 - 1500 CFS
Flow Rate as of: 1 hour ago 592 [CFS] ℹ️
Reach Info Last Updated 05/12/2009 10:26 pm

River 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.

Rapid Descriptions

Comments

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7 years ago

Ran on 3-18-2010 at 750 CFS. A few playspots downstream of Hidden Paradise CG. Put in at 421 Bridge. Out at Conns Creek. Not extremely quick current at this level and waves were such could be run Open Canoe without flotation. Would prefer to run over 1,000 CFS. Talked to some locals who also preferred at higher levels. Ran on 4/10/2010 at 1000-1100 cfs. I agree with all of these statements. The most fun rapids are just after the bridges at the tri-lake/Hidden Paradise campground section of the river. The last 20 minutes before the take-out at River Road were super flat/smooth and relaxing. Not a good river level for beginners who have never paddled whitewater before--we had 5 canoes and 4 flipped at some point--some more than once.

Summary of Gauge Readings

Levels of 200 cfs plus are reportedly class I. Somewhere above that, some large standing waves appear.

Benjamin Swain provides (2008-04-07):
Prime window is said to be 800 cfs to 1200 cfs. Around 1000 cfs it gets borderline Class II. A group ran it at 1600 cfs and said it was fast and there were few eddies. Looked like a bad level to swim at.

Gauge NameReadingTimeComment
FLATROCK RIVER AT ST. PAUL, IN
AW Gauge Info
592 cfs ℹ️ 01h43m Gauge (303 sq.mi. drainage) is midway on reach, thus very accurately portrays actual flow.
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Directions Description


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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Date Flow Result Factor  
2014-04-06 n/a Fatality Inexperience Read More

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Matt Muir