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Home › Waters › Indiana › Flatrock River
River · Southeast-central Indiana, from Rush and Shelby counties through St. Paul and Columbus to the Driftwood confluence · Indiana

Flatrock River Fishing Guides

A clear, gravel-bottomed Indiana smallmouth river that wades and floats as well as anything in the state.

A dark forest stream running fast over stone
Gauge location. Map data © OpenStreetMap contributors.

Guides on the Flatrock River

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About the Flatrock River

The Flatrock is one of the better smallmouth rivers in southern Indiana and one of the more pleasant to spend a day on. It runs out of Rush and Shelby counties, past St. Paul and Flat Rock, and joins the Driftwood at Columbus to form the East Fork White River. The name is honest – the bed is largely flat bedrock and gravel, which keeps the water clear and the wading easy, and gives the river its distinctive character of shallow ledgy riffles dropping into short green pools.

Smallmouth bass are the target and the river holds good numbers of them. The classic approach is wading the riffle-and-pool sequences with small crankbaits, tubes and soft plastics, working the current seams and the shade line under the sycamores. Rock bass are everywhere and will take the same offerings, longear sunfish add colour, and channel catfish hold in the deeper holes. Largemouth turn up in the slower backwaters and drum on the gravel flats.

Access is a genuine strength. Bridge crossings are frequent through Rush, Decatur and Shelby counties, there is town access at St. Paul and again at Columbus, and the reach around Flat Rock is a long-standing local favourite. The river is small enough that a canoe or kayak is the ideal way to cover it, and there are enough crossings to make short shuttle floats easy to plan.

Flows matter. This is a modest drainage at just over three hundred square miles at the gauge, so it comes up quickly after rain and clears fast afterwards. The days immediately after a rise, when the water is dropping and slightly stained, are the ones that produce the best smallmouth fishing of the year.

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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.

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Reviewed by hand before it appears. Pick the water, not the spot — we never publish exact locations.

Never published. We use it only if we need to ask about the photo.

Posting to Flatrock River.

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

Rush County bridge crossings - upper river access above St. Paul.
St. Paul - the gauge crossing and a common canoe put-in.
Flat Rock - the reach that gives the river its name and a local favourite.
Geneva - middle river bridge access.
Shelby County road crossings - frequent access through the middle river.
Columbus - city river access near the Driftwood confluence.
Driftwood confluence - the bottom of the river where the East Fork White forms.

Seasons

Spring: high stained water, then excellent smallmouth fishing as it drops and clears.
Summer: low clear flows, easy wading and consistent smallmouth and rock bass.
Fall: cooling water, aggressive smallmouth and the best floating conditions.
Winter: cold and mostly unfished, with fish held in the deeper pools.

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Questions

What is the current flow on the Flatrock River?

As of Sep 17, 6:45 am, the USGS gauge FLATROCK RIVER AT ST. PAUL, IN reads 59 cfs. Conditions update every 15 minutes.

What species can you catch on the Flatrock River?

Anglers target Channel Catfish, Freshwater Drum, Largemouth Bass, Longear Sunfish, Rock Bass, Smallmouth Bass on the Flatrock River in Indiana.

Where can you access the Flatrock River?

Rush County bridge crossings - upper river access above St. Paul. St. Paul - the gauge crossing and a common canoe put-in. Flat Rock - the reach that gives the river its name and a local favourite. Geneva - middle river bridge access. Shelby County road crossings - frequent access through the middle river. Columbus - city river access near the Driftwood confluence. Driftwood confluence - the bottom of the river where the East Fork White forms.

When is the best time to fish the Flatrock River?

Spring: high stained water, then excellent smallmouth fishing as it drops and clears. Summer: low clear flows, easy wading and consistent smallmouth and rock bass. Fall: cooling water, aggressive smallmouth and the best floating conditions. Winter: cold and mostly unfished, with fish held in the deeper pools.

Where are the fishing regulations for the Flatrock River?

Regulations change by season and section. Read the current rules on the Indiana agency site: https://www.in.gov/dnr/fish-and-wildlife/fishing/fishing-guide-and-regulations/