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Fishing Iowa River: what the data says
Marshalltown to Iowa City (Coralville tailwater) The river tops out around 8 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. Here is how the season plays out for each species, straight from the data behind the map.
Channel Catfish fishing at Iowa River
In spring, channel catfish run shallow here, mostly 2 to 8 ft. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. Outside-bend hole (mile 6.2) is the standout, a creek channel at roughly 6 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 | 2 to 8 ft | dusk | |
| Summer | 2 to 8 ft | night & dusk | |
| Fall | 2 to 8 ft | dusk | |
| Winter | 2 to 8 ft | midday |
Walleye fishing at Iowa River
In spring, walleye run shallow here, mostly 2 to 8 ft. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. Riffle & run (mile 2.5) is the standout, a rock pile at roughly 3 ft, rated prime for spring walleye. Best bite is the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 2 to 8 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 2 to 8 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 2 to 8 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Flathead Catfish fishing at Iowa River
Spring flathead catfish on Iowa River hold shallow, usually 2 to 8 ft. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. The spot to know is Outside-bend hole (mile 6.2), a creek channel in about 6 ft of water that rates prime for flathead catfish in summer. Plan around after dark and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | night & dusk | |
| Summer | 2 to 8 ft | night & dusk | |
| Fall | 2 to 8 ft | night & dusk | |
| Winter | 2 to 8 ft | midday |
Common Carp fishing at Iowa River
In spring, common carp run shallow here, mostly 2 to 8 ft. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. Outside-bend hole (mile 6.2) is the standout, a creek channel at roughly 6 ft, rated prime for fall common carp. Plan around early morning and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | |
| Summer | 2 to 8 ft | dawn & dusk | |
| Fall | 2 to 8 ft | midday | |
| Winter | 2 to 8 ft | midday |
Freshwater Drum fishing at Iowa River
Start shallow in spring: freshwater drum sit in 2 to 8 ft that time of year. Summer fish stay in 2 to 8 ft, and winter fish hold in 2 to 8 ft. Outside-bend hole (mile 6.2) is the standout, a creek channel at roughly 6 ft, rated prime for summer freshwater drum. In summer the feeding windows fall in the evening. Summer baits: a jig + crawler combo or a small crankbait (slow) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Jig + curly tail (bounced), Small blade bait |
| Summer | 2 to 8 ft | dusk | Jig + crawler combo, Small crankbait (slow) |
| Fall | 2 to 8 ft | midday | Blade bait (vertical), Jigging spoon |
| Winter | 2 to 8 ft | midday | Jigging spoon (slow) |
Notable structure
- Outside-bend hole (mile 6.2): creek channel, around 6 ft
- Outside-bend hole (mile 8.1): creek channel, around 6 ft
- Outside-bend hole (mile 10.2): creek channel, around 6 ft
- Outside-bend hole (mile 12.4): creek channel, around 6 ft
- Outside-bend hole (mile 14.3): creek channel, around 6 ft
- Outside-bend hole (mile 16.1): creek channel, around 6 ft
- Outside-bend hole (mile 18.0): creek channel, around 6 ft
- Outside-bend hole (mile 19.9): creek channel, around 6 ft
- Outside-bend hole (mile 21.7): creek channel, around 6 ft
- Outside-bend hole (mile 25.4): creek channel, around 6 ft
- Outside-bend hole (mile 29.5): creek channel, around 6 ft
- Outside-bend hole (mile 31.6): creek channel, around 6 ft
- Outside-bend hole (mile 34.4): creek channel, around 6 ft
- Outside-bend hole (mile 36.3): creek channel, around 6 ft
Common questions
How deep is Iowa River?
Iowa River is about 8 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 Iowa River?
Anglers target walleye, channel catfish, flathead catfish, freshwater drum, common carp on Iowa River.
Where is the best fishing spot on Iowa River?
Outside-bend hole (mile 6.2) is the top-rated area: a creek channel in about 6 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 Iowa River?
For channel catfish, the summer bite is best in after dark 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
Hannen Lake · Iowa Lake (Iowa Co.) · Otter Creek Lake · Rodgers Park Lake · Casey Lake (aka Hickory Hills Lake) · Cedar River
See how Iowa River stacks up: best walleye lakes in Iowa · best channel catfish lakes in Iowa · best flathead catfish lakes in Iowa · best freshwater drum lakes in Iowa
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