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Fishing Monocacy River: what the data says
Frederick County's smallmouth river. 58 miles from the Pennsylvania line to the Potomac, with wadeable riffle-and-run water and deeper bass-and-catfish pools. The river tops out around 12 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Below is the species-by-species picture, pulled from the same data the map uses.
Smallmouth Bass fishing at Monocacy River
Spring smallmouth bass on Monocacy River hold shallow, usually 3 to 12 ft. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. Current seam (mile 17.4) is the standout, a current seam at roughly 7 ft, rated prime for spring smallmouth bass. Best bite is early morning and the evening. A drop shot (goby/minnow) or a ned rig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 4 to 12 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 4 to 12 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 4 to 12 ft | midday | Blade bait, Hair jig |
Largemouth Bass fishing at Monocacy River
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. Summer pushes them deeper, 4 to 12 ft, and winter fish settle into 4 to 12 ft. If you only fish one area, make it Outside-bend hole (mile 0.6): a creek channel around 9 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 4 to 12 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 3 to 12 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 4 to 12 ft | midday | Blade bait, Jigging spoon |
Channel Catfish fishing at Monocacy River
Spring channel catfish on Monocacy River hold shallow, usually 3 to 12 ft. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. Outside-bend hole (mile 0.6) is the standout, a creek channel at roughly 9 ft, rated prime for summer channel catfish. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 4 to 12 ft | night & dusk | |
| Fall | 4 to 12 ft | dusk | |
| Winter | 4 to 12 ft | midday |
Rock Bass fishing at Monocacy River
In spring, rock bass run shallow here, mostly 2 to 10 ft. They move out to 3 to 12 ft in summer and finish the year down in 4 to 12 ft. If you only fish one area, make it Current seam (mile 17.4): a current seam around 7 ft that scores prime in fall. In summer the feeding windows fall in the evening. Tie on a ned rig (small) or a marabou jig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | 1/16 oz jig + grub, Small inline spinner |
| Summer | 3 to 12 ft | dusk | Ned rig (small), Marabou jig |
| Fall | 4 to 12 ft | midday | Small tube jig, Inline spinner |
| Winter | 4 to 12 ft | midday | Tungsten jig + plastic, Small spoon + spike |
Bluegill fishing at Monocacy River
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. Summer pushes them deeper, 3 to 12 ft, and winter fish settle into 4 to 12 ft. The spot to know is Current seam (mile 17.4), a current seam in about 7 ft of water that rates good for bluegill in fall. In summer the feeding windows fall in early morning and the evening. Tie on a small sponge spider (fly) or a micro tube jig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 3 to 12 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 4 to 12 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 4 to 12 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Common Carp fishing at Monocacy River
In spring, common carp run shallow here, mostly 2 to 10 ft. By summer they slide out to 2 to 12 ft, and by winter most fish are in 4 to 12 ft. The spot to know is Outside-bend hole (mile 0.6), a creek channel in about 9 ft of water that rates prime for common carp in fall. Best bite is early morning and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | |
| Summer | 2 to 12 ft | dawn & dusk | |
| Fall | 3 to 12 ft | midday | |
| Winter | 4 to 12 ft | midday |
Notable structure
- Outside-bend hole (mile 0.6): creek channel, around 9 ft
- Outside-bend hole (mile 3.7): creek channel, around 9 ft
- Outside-bend hole (mile 5.9): creek channel, around 9 ft
- Outside-bend hole (mile 8.1): creek channel, around 9 ft
- Outside-bend hole (mile 10.0): creek channel, around 9 ft
- Outside-bend hole (mile 12.1): creek channel, around 9 ft
- Outside-bend hole (mile 15.2): creek channel, around 9 ft
- Outside-bend hole (mile 19.6): creek channel, around 9 ft
- Outside-bend hole (mile 21.8): creek channel, around 9 ft
- Outside-bend hole (mile 24.3): creek channel, around 9 ft
- Outside-bend hole (mile 27.4): creek channel, around 9 ft
- Outside-bend hole (mile 29.9): creek channel, around 9 ft
- Outside-bend hole (mile 33.0): creek channel, around 9 ft
- Outside-bend hole (mile 35.5): creek channel, around 9 ft
Common questions
How deep is Monocacy River?
Monocacy River is about 12 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Monocacy River?
Anglers target largemouth bass, smallmouth bass, bluegill, channel catfish, common carp, rock bass on Monocacy River.
Where is the best fishing spot on Monocacy River?
Outside-bend hole (mile 0.6) is the top-rated area: a creek channel in about 9 ft of water that rates prime for channel catfish in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Monocacy River?
For smallmouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Little Seneca Lake · Piney Run Lake · Liberty Reservoir · T. Howard Duckett Reservoir · Prettyboy Reservoir · Gunpowder Falls
See how Monocacy River stacks up: best largemouth bass lakes in Maryland · best smallmouth bass lakes in Maryland
Browse all Maryland fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.