North Townline Flowage near Mosinee: Fishing Spots, Seasons and Access

• Overview

  North Townline Flowage is listed under Marathon County, Wisconsin. Country round the bank runs to rolling bush. It runs to roughly 124 acres — big enough to hold fish away from the bank, small enough to learn. The whole outline is near 2.5 miles, and most of it is walkable. Mosinee is the closest town at 8.9 miles. Green Bay is the closest city, 91 miles away. No border sits close enough to matter.

• Where to Fish on North Townline Flowage

  Nothing we hold settles how deep this runs. Standing timber shows when the level drops, and fish sit against it. A reservoir gives you a hard edge, a shelf, and not much else. Marathon County records list brown trout, common carp, yellow perch and bluegill among the fish reported. County data is a starting point rather than a guarantee. On North Townline Flowage the obvious spot is not always the productive one.

• Seasonal Patterns

  July is the warm end of the year here, averaging about 69°F, while January sits near 12°F. The year splits cleanly: hard water, then open water. Count on hard cover from midwinter, and open water from mid April. Ice clears near mid April and comes back about late November in a typical year. The shoulder weeks of the open season are the productive ones. It sets the rhythm of the year at North Townline Flowage.

• Tackle & Baits

  Whether the bank is open is not something our records settle. We find no slipway, car park or made path within a short radius, so treat access as rough. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. Where a permit is needed, the nearest town usually sells it. Close seasons apply to some species and not others. For a change of water, Teal Flowage is 1.7 miles distant. Where North Townline Flowage is concerned, a local answer beats a written one.