Around here
Around Big Cypress Bayou
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)
About this river
Big Cypress Bayou is a 57.7 mile river. Streamflow is measured at the USGS gauge Big Cypress Ck abv SH 43 nr Karnack, TX (site 07346080). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2006 to 2026
Big Cypress Bayou typically runs highest in March, at a median 2,470 cfs, and lowest in August, at 104 cfs. The highest flow on record for any single day is 32,600 cfs, in 2016.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 933 | 513 to 3,400 |
| February | 1,280 | 726 to 3,680 |
| March | 2,470 | 819 to 4,070 |
| April | 2,135 | 917 to 3,985 |
| May | 1,620 | 382 to 3,900 |
| June | 498 | 146 to 2,725 |
| July | 241 | 74 to 1,320 |
| August | 104 | 67 to 357 |
| September | 116 | 66 to 288 |
| October | 117 | 63 to 197 |
| November | 162 | 102 to 435 |
| December | 344 | 189 to 804 |
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 20 years of record. Statistics published by the US Geological Survey for Big Cypress Ck abv SH 43 nr Karnack, TX (site 07346080). 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 Big Cypress Bayou. Ramp data comes from the USGS national boat-ramp inventory.
- Drift-In LandingCaddo LakeRestricted
- Earl G. Williamson ParkCaddo LakePublic
- Mooringsport RampCaddo LakePublic
- Shady AcresCaddo LakeRestricted
- Big Cypress ToursBig Cypress Bayou - Caddo LakeRestricted
- Caddo Lake State ParkBig Cypress BayouPublic
- Cypress Village RoadBig Cypress Bayou - Caddo LakePublic
- Cripp's CampBig Cypress Bayou - Caddo LakeRestricted
Made to print
Put Big Cypress Bayou 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 Cypress Bayou'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.
