Best flathead catfish lakes in South Carolina
13 South Carolina waters hold flathead catfish, 11 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.
- Lake Marion — 77 ft max · survey depth data · Largemouth Bass, Crappie, Bluegill, Channel CatfishWhy #1: survey-backed contours receive the ranking's data-quality boost · 39 public access sites
- Clarks Hill Lake — 180 ft max · Largemouth Bass, Crappie, Bluegill, Channel CatfishWhy #2: mapped size signal; contours are approximated · 39 public access sites
- Lake Moultrie — 75 ft max · survey depth data · Largemouth Bass, Crappie, Bluegill, Channel CatfishWhy #3: survey-backed contours receive the ranking's data-quality boost · 9 public access sites
- Cape Fear River — Reach 1 of 2 — 52 ft max · survey depth data · Channel Catfish, Striped Bass, Flathead Catfish, Blue CatfishWhy #4: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
- Stevens Creek Reservoir — 20 ft max · survey depth data · Largemouth Bass, Crappie, Bluegill, Channel CatfishWhy #5: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
- Neal Shoals Reservoir — 15 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Crappie, BluegillWhy #6: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
- Great Pee Dee River — 36 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead CatfishWhy #7: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
- Wright River — 58 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead CatfishWhy #8: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
- Congaree River — 20 ft max · Largemouth Bass, Crappie, Channel Catfish, Striped BassWhy #9: mapped size signal; contours are approximated · 3 public access sites
- Cape Fear River — Reach 2 of 2 — 56 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Striped BassWhy #10: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
- Cooper River — 55 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Flathead CatfishWhy #11: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
- Northeast Cape Fear River — 45 ft max · survey depth data · Channel Catfish, Striped Bass, Flathead Catfish, Blue CatfishWhy #12: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
- Shallotte River — 22 ft max · survey depth data · Largemouth Bass, Crappie, Channel Catfish, Striped BassWhy #13: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
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How to use this ranking
The order is a map-planning ranking, not a claim about today's fish population. It favors larger mapped waters and gives survey-backed contours a three-times data-quality boost. Agency population surveys, current regulations, access and recent conditions should make the final decision.
Compare maximum depth across 37,233 lake records · See South Carolina waters with public access data
When to fish flathead catfish in South Carolina
- 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 South Carolina: best largemouth bass lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best striped bass lakes · best blue catfish lakes · best longnose gar lakes · best white perch lakes
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