Bayou Lacassine Fishing Guides
A coastal-prairie bayou running down to Lake Arthur through some of the best marsh and moist-soil habitat in Louisiana, with thick vegetation, heavy bass and alligator gar in the deeper holes.
Guides on the Bayou Lacassine
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About the Bayou Lacassine
Bayou Lacassine drains close to three hundred square miles of Jefferson Davis Parish prairie and marsh before reaching Lake Arthur and the Mermentau River. The lower end of the drainage runs near Lacassine National Wildlife Refuge, a landscape of freshwater marsh and moist-soil impoundments that is better known to duck hunters than to anglers but which shapes the water here in both cases.
The bayou itself is slow, wide in places, and heavily vegetated through the warm months. Water hyacinth, coontail and American lotus can close off large sections by late summer, and finding the edges and holes in that vegetation is most of the work. The gauge near Lake Arthur reads stage and velocity, and at this elevation the bayou is tidally influenced enough that the direction of flow is not always obvious.
Largemouth bass are the main fishery and they relate to vegetation rather than wood, which makes this water fish quite differently from the wooded bayous farther north. Frogs, weedless soft plastics and buzzbaits worked over and along the mats are the standard approach. Black crappie hold around any open water with structure, bluegill and redear sunfish are everywhere, and channel catfish work the deeper cuts.
The rougher fish deserve mention because they are a genuine draw here. Bowfin fight hard and take a fly readily, spotted gar are abundant, and alligator gar reach serious size in the deeper holes of the lower bayou. A growing number of anglers come specifically for them.
Access is from Lake Arthur and through refuge and parish roads. Salinity can push up the system during drought, and the marsh here has taken real damage from saltwater intrusion over the decades, so conditions are worth checking locally before a long drive.
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Access
Lake Arthur - the town and public landing at the bayou's outlet, the main access point.
Lacassine National Wildlife Refuge - public marsh and moist-soil habitat adjoining the lower drainage.
Jennings - the parish seat, with lodging, fuel and tackle.
Highway 14 crossing - a bank access on the middle reach.
Mermentau River - the receiving river below Lake Arthur.
Lacassine Bayou landings - small parish ramps scattered along the lower bayou.
Grand Lake - the larger connected water south of Lake Arthur.
Seasons
Spring: bass move shallow before the vegetation thickens and this is the easiest fishing of the year.
Summer: heavy vegetation and hot water, with frog and mat fishing at its best early and late.
Fall: vegetation begins to die back and the bass fishing opens up again.
Winter: cool, clearer water with crappie and catfish holding in the deeper cuts.
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Questions
What species can you catch on the Bayou Lacassine?
Anglers target Alligator Gar, Black Crappie, Bluegill, Bowfin, Channel Catfish, Largemouth Bass, Redear Sunfish, Spotted Gar on the Bayou Lacassine in Louisiana.
Where can you access the Bayou Lacassine?
Lake Arthur - the town and public landing at the bayou's outlet, the main access point. Lacassine National Wildlife Refuge - public marsh and moist-soil habitat adjoining the lower drainage. Jennings - the parish seat, with lodging, fuel and tackle. Highway 14 crossing - a bank access on the middle reach. Mermentau River - the receiving river below Lake Arthur. Lacassine Bayou landings - small parish ramps scattered along the lower bayou. Grand Lake - the larger connected water south of Lake Arthur.
When is the best time to fish the Bayou Lacassine?
Spring: bass move shallow before the vegetation thickens and this is the easiest fishing of the year. Summer: heavy vegetation and hot water, with frog and mat fishing at its best early and late. Fall: vegetation begins to die back and the bass fishing opens up again. Winter: cool, clearer water with crappie and catfish holding in the deeper cuts.
Where are the fishing regulations for the Bayou Lacassine?
Regulations change by season and section. Read the current rules on the Louisiana agency site: https://www.wlf.louisiana.gov/page/seasons-and-regulations