Around here
Around Cahaba River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Cahaba River is a 33.1 mile river. Streamflow is measured at the USGS gauge Cahaba River near Mountain Brook AL (site 02423380). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1981 to 2026
Cahaba River typically runs highest in March, at a median 276 cfs, and lowest in October, at 21 cfs. The highest flow on record for any single day is 17,600 cfs, in 2003.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 202 | 108 to 406 |
| February | 271 | 155 to 523 |
| March | 276 | 184 to 496 |
| April | 218 | 138 to 343 |
| May | 82 | 50 to 175 |
| June | 61 | 30 to 142 |
| July | 50 | 23 to 118 |
| August | 35 | 16 to 74 |
| September | 24 | 13 to 54 |
| October | 21 | 11 to 52 |
| November | 44 | 22 to 130 |
| December | 125 | 57 to 305 |
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 43 years of record. Statistics published by the US Geological Survey for Cahaba River near Mountain Brook AL (site 02423380). 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 Cahaba River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Made to print
Put Cahaba 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 Cahaba 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.






