Around here
Around Little Flatrock River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Little Flatrock River is a 22.5 mile river near Morgan's Outdoor Adventures in Indiana. Streamflow is measured at the USGS gauge Flatrock River at ST. Paul, IN (site 03363500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1931 to 2025
Little Flatrock River typically runs highest in March, at a median 374 cfs, and lowest in September, at 20 cfs. The highest flow on record for any single day is 16,500 cfs, in 1949.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 226 | 118 to 503 |
| February | 288 | 164 to 563 |
| March | 374 | 207 to 700 |
| April | 340 | 207 to 640 |
| May | 255 | 157 to 488 |
| June | 170 | 88 to 335 |
| July | 85 | 44 to 190 |
| August | 41 | 20 to 73 |
| September | 20 | 11 to 54 |
| October | 26 | 13 to 82 |
| November | 74 | 30 to 203 |
| December | 153 | 62 to 400 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 95 years of record. Statistics published by the US Geological Survey for Flatrock River at ST. Paul, IN (site 03363500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Little Flatrock River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Little Flatrock River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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