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21-acre lake in LaGrange County, 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. Every species below gets its seasonal read from the same numbers driving the chart.
Shoreline on the chart totals 2.1 miles. A middling shoreline index (1.6) gives it some bays to work without being a maze. The shallow band under 15 ft claims about 73% of the surface — that's where the groceries are. End to end it runs roughly 0.8 mi, about 0.3 mi across. LaGrange County claims this one. Shipshewana Lake sits 2 mi east — the closest neighbouring chart.
Early season largemouth bass use the shallows, holding in 2 to 10 ft. Expect a summer slide to 8 to 20 ft, then a winter hold in 6 to 21 ft. Put Break off the point first on the milk run — a drop-off near 15 ft that grades prime for winter. In summer the feeding windows fall in early morning and the evening. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (1 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (15 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Main-lake point (1 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 6 to 21 ft | midday | Break off the point (15 ft) | Blade bait, Jigging spoon |
Spring bluegill on Cass Lake hold shallow, usually 1 to 6 ft. They move out to 4 to 15 ft in summer and finish the year down in 6 to 21 ft. Put Shallow bay flat first on the milk run — a weed flat near 1 ft that grades prime for spring. The feeding windows run early morning and the evening. The summer box starts with a small sponge spider (fly) or a micro tube jig.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (1 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Shallow bay flat (1 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Break off the point (15 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 21 ft | midday | Deep basin (21 ft) | Tungsten ice jig + plastic, Tiny spoon |
Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 21 ft.
Access data: Indiana DNR — Fishing Access Sites. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Indiana waters are set by the Indiana DNR — and special regulations can apply to Cass Lake specifically, so confirm the current rules before you fish.
Check the official Indiana fishing regulations →
Cass Lake is about 21 ft (6 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target largemouth bass, bluegill on Cass Lake.
Break off the point is the top-rated area: a drop-off in about 15 ft of water that rates prime for largemouth bass in winter. Every other rated spot, per species and season, is on the map above.
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.
Fishing on Cass Lake is regulated by the Indiana DNR. Check the official Indiana regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Shipshewana Lake 2 mi · Hunter Lake 2 mi · Marl Lake 6 mi, MI · Aldrich Lake 7 mi, MI · Emma Lake 8 mi · Klinger Lake 9 mi, MI · South Twin Lake 9 mi · North Twin Lake 10 mi · Tamarack Lake 10 mi, MI · Long Lake 11 mi, MI · Baldwins Lake 11 mi, MI · St. Joseph River (MI) 11 mi, MI
See how Cass Lake stacks up: best largemouth bass lakes in Indiana · best bluegill lakes in Indiana
More water nearby: LaGrange County fishing maps (20 charts). Browse all Indiana fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.