Around here
Around Rio Grande
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Rio Grande is a 26.5 mile river. Streamflow is measured at the USGS gauge Rio Grande at Rio Grande Village, Big Bnd NP, TX (site 08375300). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2007 to 2026
Rio Grande typically runs highest in September, at a median 818 cfs, and lowest in May, at 65 cfs. The highest flow on record for any single day is 48,800 cfs, in 2008.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 208 | 91 to 291 |
| February | 158 | 73 to 243 |
| March | 111 | 53 to 151 |
| April | 72 | 38 to 114 |
| May | 65 | 49 to 187 |
| June | 126 | 62 to 465 |
| July | 295 | 102 to 672 |
| August | 368 | 131 to 1,010 |
| September | 818 | 175 to 2,655 |
| October | 675 | 124 to 1,080 |
| November | 301 | 57 to 697 |
| December | 263 | 64 to 537 |
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 19 years of record. Statistics published by the US Geological Survey for Rio Grande at Rio Grande Village, Big Bnd NP, TX (site 08375300). 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 Rio Grande. Ramp data comes from the USGS national boat-ramp inventory.
- River Bend ResortRio GrandeRestricted
- Tarpon Bend DriveRio GrandePublic
- Jaime J. Zapata MemorialBrownsville Ship Channel - San Martin LakePublic
- Southpoint MarinaLaguna Madre - Port Isabel ChannelRestricted
- Port Isabel Park CenterLaguna Madre - Port Isabel Side ChannelRestricted
- White Sands Restaurant & Bar Motel & MarinaLaguna MadreRestricted
- Pompano ParkLaguna MadrePublic
- Shore Street and North Shore DriveLaguna MadrePublic
Made to print
Put Rio Grande 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 Rio Grande'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.






