Beta

GuidedFloats is in beta. The full site launches March 1, 2027. The mobile app follows.

Guides: claim before March 1, 2027 and your first full season of Premium is free. Claim your founding spot →

Log in List your guide serviceFor guides
Home › Waters › Maryland › Monocacy River
River · Central Maryland, running south through Frederick County past Frederick toward the Potomac at Dickerson · Maryland

Monocacy River Fishing Guides

Maryland's longest free-flowing river and a quietly excellent smallmouth float, running farm country from Pennsylvania down to the Potomac.

A river breaking over ledge rock between forested banks in the Appalachians
Gauge location. Map data © OpenStreetMap contributors.

Guides on the Monocacy River

Claimed profiles take booking requests. Unclaimed profiles are built from public records so the river is never empty; the guide can claim or remove one any time.

No guides listed yet

Guide or outfit this water? Create your profile. Listing is free, the commission is 10% or 7% with a premium profile, and premium profiles list first on this water.

About the Monocacy River

The Monocacy is the largest tributary of the Potomac in Maryland and the longest river in the state without a major dam on it, which by itself makes it worth an angler’s attention. It runs south out of Pennsylvania through the Frederick Valley, a broad belt of limestone farm country, and joins the Potomac near Dickerson. The water is generally green-tinged and fertile rather than clear, the banks are lined with sycamore and silver maple, and the whole river has an unhurried agricultural character.

Smallmouth bass are the reason to fish it and the Monocacy is genuinely good for them, with a productive limestone-influenced system growing fish well. They hold on the ledge outcrops, the riffle tailouts and the rock and woody structure through the middle river. Rock bass and redbreast sunfish are abundant. Channel catfish work the deeper holes, and flathead catfish, an introduced species that has spread through the Potomac system, have established themselves and reach substantial size.

Muskellunge deserve mention. The Potomac system supports musky and they move into the lower Monocacy, so a large follow on a smallmouth lure is not necessarily imagination. They are uncommon here and nobody should plan a trip around them, but anglers who fish the deeper slow water in the cooler months occasionally connect.

This is float water. The standard approach is a canoe or kayak between accesses, and the Monocacy River Water Trail publishes the launches and mileages that make that practical. Summer levels drop enough to require dragging in the shallower riffles and to make wading pleasant. The river is fertile farm-country water, so it colours up fast and stays coloured longer than a freestone would after rain – check the gauge, and give it an extra day after a storm.

This water needs a real photo

The photo at the top of this page is not Monocacy River.

It is a regional stand-in, honestly captioned but generic — we will not put a name to a river we cannot prove. Send us a photograph you took here and it replaces the stand-in, with your credit on it.

Add a photo of this water See the badges

Pioneer badgeUnclaimed

Add a photo of this water

Landscape, not fish — the water itself. Reviewed by hand before it appears. The first one published here earns the Pioneer badge.

Never published. It is how the badge is held for you until member accounts open.

Posting to Monocacy River.

JPG, PNG or WebP, up to 12 MB. Landscape orientation looks best at the top of the page. We resize it and strip the location data out of the file.

The name printed under the photo and on your badge. 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.

Fished this water? Add a photo

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 Monocacy 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

Jug Bridge, near Frederick - the gauge reach and a developed access on the middle river.
Monocacy National Battlefield - walk-in access and protected river corridor.
Pinecliff Park, Frederick - park access with a paddle launch.
Creagerstown - access on the upper river.
Buckeystown - access on the middle lower reach.
Michaels Mill - a standard launch on the lower river.
Dickerson and the Potomac confluence - the bottom of the run.

Seasons

Spring: high coloured water, then strong smallmouth fishing as it drops and warms.
Summer: the prime season, with low water, easy wading and excellent smallmouth.
Fall: cooling water, aggressive smallmouth and the best musky odds of the year.
Winter: cold and slow, with fish stacked in the deepest holes.

From the water

No logged trips yet. Be the first to put this water on your map.

Log this water

Fished it or cleaned it? Log in or create a free account to log a trip with photos and earn the waterway badge.

Questions

What is the current flow on the Monocacy River?

As of Sep 17, 5:30 am, the USGS gauge MONOCACY RIVER AT JUG BRIDGE NEAR FREDERICK, MD reads 75 cfs. Conditions update every 15 minutes.

What species can you catch on the Monocacy River?

Anglers target Bluegill, Channel Catfish, Common Carp, Flathead Catfish, Largemouth Bass, Muskellunge, Redbreast Sunfish, Rock Bass, Smallmouth Bass, White Sucker on the Monocacy River in Maryland.

Where can you access the Monocacy River?

Jug Bridge, near Frederick - the gauge reach and a developed access on the middle river. Monocacy National Battlefield - walk-in access and protected river corridor. Pinecliff Park, Frederick - park access with a paddle launch. Creagerstown - access on the upper river. Buckeystown - access on the middle lower reach. Michaels Mill - a standard launch on the lower river. Dickerson and the Potomac confluence - the bottom of the run.

When is the best time to fish the Monocacy River?

Spring: high coloured water, then strong smallmouth fishing as it drops and warms. Summer: the prime season, with low water, easy wading and excellent smallmouth. Fall: cooling water, aggressive smallmouth and the best musky odds of the year. Winter: cold and slow, with fish stacked in the deepest holes.

Where are the fishing regulations for the Monocacy River?

Regulations change by season and section. Read the current rules on the Maryland agency site: https://dnr.maryland.gov/fisheries/Pages/regulations/index.aspx