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24-acre lake near Decatur County. The lake tops out around 21 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Start shallow in spring: crappie sit in 2 to 8 ft that time of year. Summer pushes them deeper, 6 to 21 ft, and winter fish settle into 6 to 21 ft. The spot to know is Deep basin, a deep basin in about 21 ft of water that rates prime for crappie in winter. In summer the feeding windows fall in 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 | 6 to 21 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 | 6 to 21 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
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 6 to 21 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring bluegill. Plan around early morning and the evening in the warm months. A small sponge spider (fly) or a micro tube jig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 21 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. By summer they slide out to 8 to 20 ft, and by winter most fish are in 6 to 21 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 6 to 21 ft | midday | Blade bait, Jigging spoon |
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. By summer they slide out to 6 to 21 ft, and by winter most fish are in 6 to 21 ft. If you only fish one area, make it Deep basin: a deep basin around 21 ft that scores prime in winter. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 6 to 21 ft | night & dusk | |
| Fall | 6 to 21 ft | dusk | |
| Winter | 6 to 21 ft | midday |
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. By summer they slide out to 6 to 21 ft, and by winter most fish are in 6 to 21 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. In summer the feeding windows fall in early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 6 to 21 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 6 to 21 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 6 to 21 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Spring walleye on Slip Bluff Lake hold shallow, usually 4 to 15 ft. By summer they slide out to 6 to 21 ft, and by winter most fish are in 6 to 21 ft. Deep basin is the standout, a deep basin at roughly 21 ft, rated prime for winter walleye. Plan around the evening and early morning in the warm months. 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 | 6 to 21 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 6 to 21 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 6 to 21 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
How deep is Slip Bluff Lake?
Slip Bluff Lake is about 21 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Slip Bluff Lake?
Anglers target largemouth bass, walleye, crappie, bluegill, channel catfish, yellow perch on Slip Bluff Lake.
Where is the best fishing spot on Slip Bluff Lake?
Deep basin is the top-rated area: a deep basin in about 21 ft of water that rates prime for crappie in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Slip Bluff Lake?
For crappie, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
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See how Slip Bluff Lake stacks up: best largemouth bass lakes in Iowa · best walleye lakes in Iowa · best crappie lakes in Iowa · best bluegill lakes in Iowa
Browse all Iowa fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.