Flatrock - Old U.S. Hwy 421 to Conns Creek (6.8 miles)

Flatrock, Indiana, US


Old U.S. Hwy 421 to Conns Creek (6.8 miles) (Flatrock River at St. Paul)

Usual Difficulty I(III) (varies with level)
Length 6.8 Miles
Avg. Gradient 7 fpm
Max Gradient 10 fpm

Flatrock surfing

Flatrock surfing
Photo by Denny Wortman taken 05/10/09 @ 550

Gauge Information

Name Range Difficulty Updated Level
usgs-03363500 200 - 1500 cfs II 01h14m 2050 cfs (too high)
Big water flush. Gauge (303 sq.mi. drainage) is midway on reach, thus very accurately portrays actual flow.

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.

StreamTeam Status: Not Verified
Last Updated: 2009-05-12 22:26:25


Rapid Descriptions

icon of message No rapids entered. If you know names, and locations of the rapids please contact and advise the StreamTeam member for this run.

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