Mosinee Flowage

Marathon County, Wisconsin

Mosinee Flowage is a 716 acre flowage in Marathon County near Mosinee, Kronenwetter and Rothschild. It is known for walleye, smallmouth bass and muskie in shallow water.

Air temp in Mosinee, WI Loading current temperature…

Red pins match the numbered boat launches below. Map data © OpenStreetMap contributors.

Current air temperature at Mosinee Flowage (National Weather Service) ↗

Surface area716 acres

Max depth18 ft

Shoreline—

Boat motorsCheck local rules

Species

Fishery rating out of 5.

Walleye●●●●○

Common. Largest in a fishery survey was about 28 inches.

Smallmouth Bass●●●●○

Common. Rubber worms work.

Northern Pike●●●○○

Common.

Muskellunge●●●○○

Listed as a muskie water. Largest in a survey was about 48 inches.

Largemouth Bass●●○○○

Present.

Boat launches

4 launch sites. Fees and hours change, so confirm before you go.

Public boat landingsRamp
Two public landings per WDNR and LakeLink. Names not confirmed.Directions ↗
More public accessPublic
See the WDNR or lake website for all ramps and feesDirections ↗
3River Park Boat RampPublic
Wisconsin DNR public boat rampDirections ↗
4Canoe Portage Park LaunchPublic
Wisconsin DNR public boat rampDirections ↗

Size & creel limits

Minimum size and daily limit for each species in Mosinee Flowage are published by the state. Look up the current size and creel limits for this lake directly: Wisconsin DNR ↗

Rules change, so confirm current limits with the Wisconsin DNR before you fish.

Bait & tackle nearby

Closest shops to the lake and its boat launches. Call ahead for live bait and hours.

Jr's Tackle & Bait ShopNearby
209620 County Road O, Mosinee, WI 54455(715) 693-0827 Directions ↗

Search more bait shops near Mosinee Flowage ↗

Local tips

The lake is shallow, 18 feet at the deepest, so work weedy bays and edges.
Walleye anglers report 14 to 20 inch fish in bays about 5 feet deep, using spinners and walleye divers.
The bottom is mostly muck and sand, so look for rock and gravel spots for smallmouth.

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Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.

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Always wear a life jacket and check your state's current regulations before you fish.