Shared by DepthScout anglers. Exact spots stay private, always.
194-acre reservoir near Wisconsin. The lake tops out around 34 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Here is how the season plays out for each species, straight from the data behind the map.
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. By summer they slide out to 10 to 34 ft, and by winter most fish are in 10 to 34 ft. If you only fish one area, make it Deep basin: a deep basin around 29 ft that scores prime in winter. In summer the feeding windows fall in the evening and early morning. A crawler harness on bottom bouncer or a deep crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 10 to 34 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 10 to 34 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 10 to 34 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Spring yellow perch on Black River Flowage hold shallow, usually 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 10 to 34 ft. The spot to know is Shallow bay flat, a weed flat in about 4 ft of water that rates prime for yellow perch in spring. In summer the feeding windows fall in early morning. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 10 to 34 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 10 to 34 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
In spring, northern pike run shallow here, mostly 2 to 8 ft. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 4 ft, rated prime for spring northern pike. Plan around early morning and the evening in the warm months. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Start shallow in spring: muskellunge sit in 3 to 12 ft that time of year. They move out to 8 to 25 ft in summer and finish the year down in 10 to 34 ft. Shallow bay flat is the standout, a weed flat at roughly 4 ft, rated prime for spring muskellunge. In summer the feeding windows fall in the evening and early morning. Summer baits: a double-10 bucktail or a topwater (walk-the-dog / creeper) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 8 to 25 ft | dusk & dawn | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 8 to 30 ft | midday & dusk | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 10 to 34 ft | midday | Large rubber, crawled slow |
In spring, smallmouth bass run shallow here, mostly 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 10 to 34 ft. The spot to know is Main-lake point, a point in about 9 ft of water that rates prime for smallmouth bass 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.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 10 to 34 ft | midday | Blade bait, Hair jig |
In spring, crappie run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 10 to 25 ft, and winter fish settle into 10 to 34 ft. Deep basin is the standout, a deep basin at roughly 29 ft, rated prime for winter crappie. Best bite is early morning and the evening. Tie on a jig trolled/spider-rigged or a small crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 10 to 34 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Black River Flowage also holds bluegill (4 to 15 ft in summer), channel catfish (8 to 25 ft in summer), flathead catfish (8 to 30 ft in summer). Pick any of them on the map above for rated spots and bait picks.
How deep is Black River Flowage?
Black River Flowage is about 34 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 Black River Flowage?
Anglers target smallmouth bass, walleye, northern pike, crappie, bluegill, channel catfish, muskellunge, yellow perch, flathead catfish on Black River Flowage. 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 Black River Flowage?
Deep basin is the top-rated area: a deep basin in about 29 ft of water that rates prime for walleye in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Black River Flowage?
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.
Cranberry Flowage, Lower · Cranberry Flowage · Trow Lake (L Merrillan Pond) · Funmaker Flowage · Teal Flowage · Oxbow Pond
See how Black River Flowage stacks up: best smallmouth bass lakes in Wisconsin · best walleye lakes in Wisconsin · best northern pike lakes in Wisconsin · best crappie lakes in Wisconsin
Browse all Wisconsin fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.