Around here
Around Big Blue River
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Big Blue River is a 62.1 mile river. Streamflow is measured at the USGS gauge Big Blue R at Marysville, KS (site 06882510). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1985 to 2026
Big Blue River typically runs highest in June, at a median 920 cfs, and lowest in October, at 251 cfs. The highest flow on record for any single day is 35,000 cfs, in 2015.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 293 | 192 to 422 |
| February | 373 | 236 to 570 |
| March | 408 | 266 to 635 |
| April | 406 | 281 to 723 |
| May | 782 | 344 to 1,950 |
| June | 920 | 451 to 2,315 |
| July | 580 | 278 to 1,270 |
| August | 379 | 191 to 882 |
| September | 317 | 180 to 742 |
| October | 251 | 168 to 455 |
| November | 276 | 180 to 430 |
| December | 282 | 178 to 436 |
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 42 years of record. Statistics published by the US Geological Survey for Big Blue R at Marysville, KS (site 06882510). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Big Blue River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Pottawatomie County 2Pottawatomie County State Lake 2Public
- Tuttle Creek-Canoe DockBig Blue RiverPublic
- Tuttle Creek-Swede CreekBig Blue RiverPublic
- Tuttle Creek-RedbudBig Blue RiverPublic
- Big Indian Recreation AreaPublic
Made to print
Put Big Blue 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 Big Blue 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.






