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528-acre lake near Sheffield. The lake tops out around 14 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. What follows comes from the same scoring engine that paints the spots above.
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. They move out to 4 to 14 ft in summer and finish the year down in 4 to 14 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Plan around early morning in the warm months. 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 | 4 to 14 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 4 to 14 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 4 to 14 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
In spring, crappie run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 4 to 14 ft, and winter fish settle into 4 to 14 ft. Deep basin is the standout, a deep basin at roughly 12 ft, rated prime for winter crappie. In summer the feeding windows fall in early morning and the evening. A jig trolled/spider-rigged or a small crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 4 to 14 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 4 to 14 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 4 to 14 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. They move out to 4 to 14 ft in summer and finish the year down in 4 to 14 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring bluegill. In summer the feeding windows fall in early morning and the evening. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| 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 14 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 4 to 14 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 4 to 14 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Spring northern pike on Cavour Lake hold shallow, usually 2 to 8 ft. By summer they slide out to 4 to 14 ft, and by winter most fish are in 4 to 14 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. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 4 to 14 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 4 to 14 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 4 to 14 ft | midday | Tip-ups, Large jigging spoon |
Start shallow in spring: walleye sit in 4 to 14 ft that time of year. Summer fish stay in 4 to 14 ft, and winter fish hold in 4 to 14 ft. If you only fish one area, make it Break off the point: a drop-off around 6 ft that scores prime in fall. Plan around the evening and early morning in the warm months. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 14 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 4 to 14 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 4 to 14 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 4 to 14 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. They move out to 4 to 14 ft in summer and finish the year down in 4 to 14 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring largemouth bass. Plan around early morning and the evening in the warm months. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 4 to 14 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 14 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 4 to 14 ft | midday | Blade bait, Jigging spoon |
Cavour Lake also holds brown bullhead (3 to 12 ft in summer). Pick any of them on the map above for rated spots and bait picks.
How deep is Cavour Lake?
Cavour Lake is about 14 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 Cavour Lake?
Anglers target largemouth bass, walleye, northern pike, crappie, bluegill, yellow perch, brown bullhead on Cavour Lake.
Where is the best fishing spot on Cavour Lake?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for yellow perch in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Cavour Lake?
For yellow perch, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Byron Lake · James River · Henry Lake · Thompson Lake · Mitchell Lake · Redfield Lake
See how Cavour Lake stacks up: best largemouth bass lakes in South Dakota · best walleye lakes in South Dakota · best northern pike lakes in South Dakota · best crappie lakes in South Dakota
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