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Best flathead catfish lakes in Louisiana

13 Louisiana waters hold flathead catfish, 7 mapped with real state-agency depth surveys. 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.

1. Toledo Bend Reservoir — 110 ft max · Largemouth Bass, White Bass, Crappie, Bluegill
2. Mississippi River — Vicksburg — 100 ft max · survey depth data · Largemouth Bass, White Bass, Crappie, Channel Catfish
3. Vermilion River — 48 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead Catfish
4. Caddo Lake — 27 ft max · Largemouth Bass, White Bass, Crappie, Bluegill
5. Lake D'Arbonne — 30 ft max · Largemouth Bass, White Bass, Crappie, Bluegill
6. Eagle Lake — 27 ft max · Largemouth Bass, White Bass, Crappie, Bluegill
7. Amite River — 58 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead Catfish
8. Grand Bayou Reservoir — 30 ft max · Largemouth Bass, Crappie, Bluegill, Channel Catfish
9. Atchafalaya River — 40 ft max · Largemouth Bass, Crappie, Channel Catfish, Flathead Catfish
10. Lower Atchafalaya River — 102 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead Catfish
11. Lower Old River — 24 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead Catfish
12. Belle River — 23 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead Catfish
13. Tangipahoa River — 23 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead Catfish

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When to fish flathead catfish in Louisiana

• 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 Louisiana: best largemouth bass lakes · best white bass lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best blue catfish lakes · best freshwater drum lakes · best longnose gar lakes

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