Best flathead catfish lakes in Iowa
5 Iowa waters hold flathead catfish. Ranked below by size and depth-data quality — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. Solitary giant that lairs in log jams and deep holes by day and prowls at night — live bait only.
- Iowa River — 8 ft max · Walleye, Channel Catfish, Flathead Catfish, Freshwater Drum
- Des Moines River — 11 ft max · Walleye, White Bass, Channel Catfish, Flathead Catfish
- Cedar River — 10 ft max · Smallmouth Bass, Walleye, Channel Catfish, Flathead Catfish
- Mississippi River Pool 19 (Keokuk) — 30 ft max · Largemouth Bass, Walleye, White Bass, Sauger
- Mississippi River Pool 13 (Clinton) — 25 ft max · Largemouth Bass, Walleye, White Bass, Sauger
When to fish flathead catfish in Iowa
- Spring 5–20 ft — Pre-spawn fish feed hard near wood cover and hole edges.
- Summer 8–30 ft — Day = log-jam lairs and deep holes. Night = shallow flats and bar edges with big live bait.
- Fall 10–35 ft — Fish concentrate near wintering holes — the year's best big-fish window.
- Winter 20–45 ft — Stacked and sluggish in the deepest holes.
Also in Iowa: best largemouth bass lakes · best smallmouth bass lakes · best walleye lakes · best white bass lakes · best northern pike lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best muskellunge lakes · best yellow perch lakes · best freshwater drum lakes · best common carp lakes
Flathead Catfish elsewhere: Minnesota · Indiana · Nebraska · Ohio · Wisconsin · Kentucky · Arizona · Mississippi · Texas · Illinois · Kansas · Oklahoma · Tennessee · Missouri · Georgia · West Virginia · South Carolina