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Fishing Cass Lake: what the data says
21-acre lake near Indiana. 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.
Largemouth Bass fishing at Cass Lake
Spring largemouth bass on Cass Lake hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 6 to 21 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Plan around early morning and the evening in the warm months. 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 |
Crappie fishing at Cass Lake
Spring crappie on Cass Lake hold shallow, usually 2 to 8 ft. They move out to 6 to 21 ft in summer and finish the year down in 6 to 21 ft. The spot to know is Deep basin, a deep basin in about 20 ft of water that rates prime for crappie in winter. Plan around early morning and the evening in the warm months. Summer baits: a jig trolled/spider-rigged or a small crankbait (trolled) gets it done.
| 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 |
Bluegill fishing at Cass Lake
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. By summer they slide out to 4 to 15 ft, and by winter most fish are in 6 to 21 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for bluegill in spring. Plan around early morning and the evening in the warm months. 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 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 |
Channel Catfish fishing at Cass Lake
Spring channel catfish on Cass Lake hold shallow, usually 3 to 12 ft. They move out to 6 to 21 ft in summer and finish the year down in 6 to 21 ft. The spot to know is Deep basin, a deep basin in about 20 ft of water that rates prime for channel catfish in winter. Plan around after dark and the evening in the warm months.
| 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 |
Notable structure
- Deep basin: deep basin, around 20 ft
- Break off the point: drop-off, around 15 ft
- Secondary point: point, around 7 ft
- Main-lake point: point, around 4 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Cass Lake?
Cass 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 Cass Lake?
Anglers target largemouth bass, crappie, bluegill, channel catfish on Cass Lake.
Where is the best fishing spot on Cass Lake?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Cass Lake?
For largemouth bass, 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.
Nearby waters
Shipshewana Lake · Hunter Lake · Emma Lake · South Twin Lake · North Twin Lake · Messick Lake
See how Cass Lake stacks up: best largemouth bass lakes in Indiana · best crappie lakes in Indiana · best bluegill lakes in Indiana · best channel catfish lakes in Indiana
Browse all Indiana fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.