Around here
Around Kaskaskia River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Kaskaskia River is a 62.1 mile river. Streamflow is measured at the USGS gauge Kaskaskia River at Cooks Mills, IL (site 05591200). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1971 to 2026
Kaskaskia River typically runs highest in April, at a median 457 cfs, and lowest in September, at 26 cfs. The highest flow on record for any single day is 12,500 cfs, in 2008.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 214 | 85 to 493 |
| February | 249 | 107 to 605 |
| March | 421 | 227 to 910 |
| April | 457 | 233 to 871 |
| May | 381 | 218 to 850 |
| June | 309 | 146 to 712 |
| July | 110 | 51 to 234 |
| August | 33 | 19 to 74 |
| September | 26 | 15 to 61 |
| October | 28 | 16 to 116 |
| November | 76 | 29 to 207 |
| December | 210 | 56 to 551 |
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 56 years of record. Statistics published by the US Geological Survey for Kaskaskia River at Cooks Mills, IL (site 05591200). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of Kaskaskia River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Vandalia LakeVandalia LakePublic
- Vandalia LakeVandalia LakePublic
- Altamont ReservoirAltamont ReservoirPublic
- Lake NellieLake NelliePublic
- Bluegill MarinaPublic
- Lake SaraLake SaraPublic
- Lake SaraLake SaraPublic
- Ramsey LakeRamsey LakePublic
Made to print
Put Kaskaskia 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.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Kaskaskia River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
