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Elkhorn Creek in Illinois

River49.1 mi
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Around here

Around Elkhorn Creek

Crystal Lake RV Park4.8 mi5 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

Elkhorn Creek is a 49.1 mile river. Streamflow is measured at the USGS gauge Elkhorn Creek near Penrose, IL (site 05444000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1940 to 2026

Elkhorn Creek typically runs highest in April, at a median 96 cfs, and lowest in September, at 50 cfs. The highest flow on record for any single day is 5,430 cfs, in 1973.

Show the numbers
Typical flow by month at Elkhorn Creek near Penrose, IL, in cfs
MonthTypical (cfs)Usual range (cfs)
January5734 to 92
February6040 to 108
March9562 to 166
April9665 to 161
May9562 to 147
June9158 to 156
July7244 to 120
August5836 to 87
September5034 to 82
October5234 to 78
November5336 to 86
December5536 to 90

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 87 years of record. Statistics published by the US Geological Survey for Elkhorn Creek near Penrose, IL (site 05444000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

4 mapped launches sit in the mapped area of Elkhorn Creek, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • Hennepin Canal Bridge 45 - boat rampPublic
  • Oppold MarinaPublic
  • Lawrence ParkRock RiverPublic
  • Jim Arduini Boat LaunchPublic

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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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