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Home › Waters › Texas › Big Cypress Bayou
Bayou · Northeast Texas in Marion and Harrison counties, running east from Lake O the Pines past Jefferson into the cypress brakes of Caddo Lake on the Louisiana line · Texas

Big Cypress Bayou Fishing Guides

The bayou that feeds Caddo Lake, running dark and slow through bald cypress between Jefferson and the Louisiana line, with heavy catfish and a genuine backwater bass fishery.

A slow bayou channel under overhanging live oak and Spanish moss
Gauge location. Map data © OpenStreetMap contributors.

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About the Big Cypress Bayou

Big Cypress Bayou is the water that made Jefferson a river port, and it still looks the part. It leaves Lake O the Pines, winds east through Marion and Harrison counties in tight loops between walls of bald cypress, and spreads out into the maze of Caddo Lake at the Louisiana line. Steamboats came up this channel to Jefferson in the nineteenth century, and the historic turning basin in town is a working boat access today. This is the westernmost true bayou country in the United States, and it fishes like Louisiana rather than like Texas.

The bass fishing is a structure game in dark water. Largemouth and spotted bass hold against cypress knees, laydowns and the undercut outside bends, and the standard approach is a slow presentation worked tight to wood rather than long casts across open water. White bass run up the bayou out of Caddo in late winter and spring and can be thick in the current seams. Crappie stack on the deeper bends and around bridge pilings. The catfishing is genuinely good, with channel, blue and flathead catfish all present and the flatheads reaching serious weight in the deeper holes.

Flow here is controlled rather than natural. Releases from Lake O the Pines set the level and the current in the bayou, so the gauge near Jefferson is reading a management decision as much as a weather pattern, and it can change with no rain in the watershed at all. There is no temperature sensor on this station. Navigation is the other thing to plan for: the channel is marked below Jefferson but the cypress brakes toward Caddo are a genuine maze where a guide or a good track log is worth the money.

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Version 1.0, dated 6 September 2026. Applies to every photograph submitted to GuidedFloats through the contact form, a species page, or the community board.

1. What you give us

By ticking the box on the form you grant Guided Floats, LLC (“GuidedFloats”, “we”) a non-exclusive, worldwide, royalty-free license to store, copy, resize, crop and display your photograph on guidedfloats.com, in GuidedFloats’ own social media accounts and mobile apps, and in material that promotes the site itself, in connection with the fish, water or community feature you sent it in for. The license lasts until you withdraw it (section 4).

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If any person is recognisable in the photo, you confirm that they have agreed to its being published here, and that a parent or guardian has agreed on behalf of anyone under 18. Please do not send photographs of other people’s catches, screenshots, or pictures copied from other websites or social media.

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4. Withdrawing the license

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5. What we may do

We choose which photos to publish and may decline any submission without giving a reason. We may crop, resize, sharpen or colour-correct a photo for display, and we may remove a photo at any time. We will not alter a photo in a way that misrepresents the fish, the water or you.

6. Your details

We keep your name, email address, the credit name, the water and date you gave us, and the network address the submission came from, with the submission record, as our evidence of this license. We hold that record for as long as the photo is published and for the retention period described in our privacy policy. Location data that your camera or phone embedded in the file is removed before the photo is published.

7. Versions

The version of this license you accepted is stored with your submission and printed with the photo. A later version does not apply to a photo you have already sent unless you agree to it.

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JPG, PNG or WebP, up to 12 MB. We resize it and strip the location data out of the file.

The name shown under the photo. Leave blank to stay anonymous.

Reader photo license v1.0 — the short version:

  • You grant Guided Floats, LLC a non-exclusive, royalty-free license to publish, resize and crop your photo on guidedfloats.com and in GuidedFloats’ own social posts and apps. You keep the copyright and can use the photo anywhere else.
  • You confirm that you took the photo yourself, that publishing it does not infringe anyone else’s rights, and that anyone recognisable in it (or a parent or guardian, if they are under 18) is happy for it to appear here.
  • Credit is printed beside the photo wherever it appears on the site, using the credit name you give us. Leave it blank and we use your name; write “Anonymous” for no name. Your email address is never published.
  • Withdrawing is one email to hello@guidedfloats.com naming the photo. It comes off the site within 7 days.
Read the full license

Version 1.0, dated 6 September 2026. Applies to every photograph submitted to GuidedFloats through the contact form, a species page, or the community board.

1. What you give us

By ticking the box on the form you grant Guided Floats, LLC (“GuidedFloats”, “we”) a non-exclusive, worldwide, royalty-free license to store, copy, resize, crop and display your photograph on guidedfloats.com, in GuidedFloats’ own social media accounts and mobile apps, and in material that promotes the site itself, in connection with the fish, water or community feature you sent it in for. The license lasts until you withdraw it (section 4).

You keep the copyright. The license is not exclusive, so you can use the photo anywhere else and license it to anyone else. We will not sell your photo, license it on to anyone else on its own, or use it in paid advertising for a third party.

2. What you confirm

You confirm that you took the photograph yourself (or otherwise own the rights to it), that you have the right to grant this license, and that publishing the photo does not infringe anyone else’s copyright, privacy or other rights.

If any person is recognisable in the photo, you confirm that they have agreed to its being published here, and that a parent or guardian has agreed on behalf of anyone under 18. Please do not send photographs of other people’s catches, screenshots, or pictures copied from other websites or social media.

3. Credit

We print the credit name you give us beside the photo wherever it appears on the site, and record it as the photo’s creator in the page’s structured data. If you leave the credit blank we use the name you gave us on the form. Write “Anonymous” if you prefer no name at all. Your email address, phone number and the exact spot the photo was taken are never published.

4. Withdrawing the license

You can withdraw the license at any time by emailing hello@guidedfloats.com, or by using the contact form, and telling us which photo you mean. We will remove the photo from guidedfloats.com within 7 days of receiving your message and stop using it in anything new. Copies that are already outside our control — search-engine caches, social posts that have already gone out, printed material already produced — may take longer to disappear or may not be recallable, and we are not responsible for those.

5. What we may do

We choose which photos to publish and may decline any submission without giving a reason. We may crop, resize, sharpen or colour-correct a photo for display, and we may remove a photo at any time. We will not alter a photo in a way that misrepresents the fish, the water or you.

6. Your details

We keep your name, email address, the credit name, the water and date you gave us, and the network address the submission came from, with the submission record, as our evidence of this license. We hold that record for as long as the photo is published and for the retention period described in our privacy policy. Location data that your camera or phone embedded in the file is removed before the photo is published.

7. Versions

The version of this license you accepted is stored with your submission and printed with the photo. A later version does not apply to a photo you have already sent unless you agree to it.

Access

Jefferson turning basin - the historic downtown boat access on the bayou itself.
Lake O the Pines outlet below the dam - the top of the bayou reach and its flow control.
The Highway 49 crossing east of Jefferson - bank access near the gauge.
Caddo Lake State Park - the standard launch for the lower bayou and the cypress brakes.
Uncertain and the Big Cypress state paddling trail - marked routes into the Caddo maze.
Johnsons Ranch Marina near Uncertain - guide service and fuel on the lower water.
Karnack area county road crossings - limited bank access on the middle bayou.

Seasons

Spring: rising releases, white bass running the bayou and bass moving shallow onto the wood.
Summer: warm, low current and a night-fishing catfish season on the deeper bends.
Fall: cooling water, better bass fishing on the cypress and clear conditions in the brakes.
Winter: cold and slow, with crappie schooled deep and very little pressure anywhere on the water.

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Questions

What is the current flow on the Big Cypress Bayou?

As of Sep 17, 5:30 am, the USGS gauge Big Cypress Bayou nr Jefferson, TX reads 22 cfs. Conditions update every 15 minutes.

What species can you catch on the Big Cypress Bayou?

Anglers target Alligator Gar, Black Crappie, Blue Catfish, Bluegill, Bowfin, Channel Catfish, Flathead Catfish, Largemouth Bass, Longnose Gar, Redear Sunfish, Spotted Bass, White Bass, White Crappie on the Big Cypress Bayou in Texas.

Where can you access the Big Cypress Bayou?

Jefferson turning basin - the historic downtown boat access on the bayou itself. Lake O the Pines outlet below the dam - the top of the bayou reach and its flow control. The Highway 49 crossing east of Jefferson - bank access near the gauge. Caddo Lake State Park - the standard launch for the lower bayou and the cypress brakes. Uncertain and the Big Cypress state paddling trail - marked routes into the Caddo maze. Johnsons Ranch Marina near Uncertain - guide service and fuel on the lower water. Karnack area county road crossings - limited bank access on the middle bayou.

When is the best time to fish the Big Cypress Bayou?

Spring: rising releases, white bass running the bayou and bass moving shallow onto the wood. Summer: warm, low current and a night-fishing catfish season on the deeper bends. Fall: cooling water, better bass fishing on the cypress and clear conditions in the brakes. Winter: cold and slow, with crappie schooled deep and very little pressure anywhere on the water.

Where are the fishing regulations for the Big Cypress Bayou?

Regulations change by season and section. Read the current rules on the Texas agency site: https://tpwd.texas.gov/regulations/outdoor-annual/fishing