Walleye fishing at Cosgrove Lake

Start shallow in spring: walleye sit in 4 to 15 ft that time of year. Summer pushes them deeper, 8 to 26 ft, and winter fish settle into 8 to 26 ft. The spot to know is Break off the point, a drop-off in about 12 ft of water that rates prime for walleye in fall. In summer the feeding windows fall in the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.

Yellow Perch fishing at Cosgrove Lake

In spring, yellow perch run shallow here, mostly 3 to 12 ft. By summer they slide out to 8 to 26 ft, and by winter most fish are in 8 to 26 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for yellow perch in spring. Best bite is early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.

Northern Pike fishing at Cosgrove Lake

In spring, northern pike run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring northern pike. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.

Smallmouth Bass fishing at Cosgrove Lake

Spring smallmouth bass on Cosgrove Lake hold shallow, usually 3 to 12 ft. They move out to 8 to 26 ft in summer and finish the year down in 8 to 26 ft. If you only fish one area, make it Main-lake point: a point around 8 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.

Crappie fishing at Cosgrove Lake

In spring, crappie run shallow here, mostly 2 to 8 ft. They move out to 10 to 25 ft in summer and finish the year down in 8 to 26 ft. If you only fish one area, make it Deep basin: a deep basin around 22 ft that scores prime in winter. Best bite is early morning and the evening. Summer baits: a jig trolled/spider-rigged or a small crankbait (trolled) gets it done.

Bluegill fishing at Cosgrove Lake

Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. Summer pushes them deeper, 4 to 15 ft, and winter fish settle into 10 to 25 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is early morning and the evening. A small sponge spider (fly) or a micro tube jig covers the summer program.

How deep is Cosgrove Lake?

Cosgrove Lake is about 26 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.

What fish are in Cosgrove Lake?

Anglers target smallmouth bass, walleye, northern pike, crappie, bluegill, yellow perch, pumpkinseed on Cosgrove Lake. These come from the Wisconsin DNR's per-lake fish listing; where the DNR lists a group (panfish, catfish, trout) the specific species are resolved from Wisconsin's fish distribution by the lake's location, depth and habitat.

Where is the best fishing spot on Cosgrove Lake?

Break off the point is the top-rated area: a drop-off in about 12 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.

When is the best time to fish Cosgrove Lake?

For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.