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Fishing Otter Lake: what the data says
738-acre reservoir near Girard. The lake tops out around 51 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. Below is the species-by-species picture, pulled from the same data the map uses.
Channel Catfish fishing at Otter Lake
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. Summer pushes them deeper, 8 to 25 ft, and winter fish settle into 20 to 40 ft. If you only fish one area, make it Deep basin: a deep basin around 43 ft that scores prime 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 | 8 to 25 ft | night & dusk | |
| Fall | 10 to 30 ft | dusk | |
| Winter | 20 to 40 ft | midday |
Muskellunge fishing at Otter Lake
In spring, muskellunge run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 8 to 25 ft, and winter fish settle into 15 to 35 ft. Break off the point is the standout, a drop-off at roughly 23 ft, rated prime for fall muskellunge. Best bite is 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 | 15 to 35 ft | midday | Large rubber, crawled slow |
Bluegill fishing at Otter Lake
Spring bluegill on Otter Lake hold shallow, usually 1 to 6 ft. Summer pushes them deeper, 4 to 15 ft, and winter fish settle into 10 to 25 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for bluegill in spring. Best bite is 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 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
White Bass & Hybrids fishing at Otter Lake
Spring white bass & hybrids on Otter Lake hold shallow, usually 3 to 15 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 20 to 40 ft. Main-lake point is the standout, a point at roughly 13 ft, rated prime for fall white bass & hybrids. Best bite is early morning and the evening. Tie on a jigging spoon or a topwater (when schooling) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 15 ft | midday & dawn | Rooster tail / inline spinner, Curly-tail jig (white/chartreuse) |
| Summer | 10 to 30 ft | dawn & dusk | Jigging spoon, Topwater (when schooling) |
| Fall | 8 to 25 ft | midday & dawn | Small blade bait, Jigging spoon |
| Winter | 20 to 40 ft | midday | Jigging spoon, Blade bait (vertical) |
Largemouth Bass fishing at Otter Lake
Spring largemouth bass on Otter Lake hold shallow, usually 2 to 10 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 15 to 35 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. 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 | 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 | 15 to 35 ft | midday | Blade bait, Jigging spoon |
White Bass fishing at Otter Lake
Start shallow in spring: white bass sit in 2 to 12 ft that time of year. Summer pushes them deeper, 8 to 25 ft, and winter fish settle into 15 to 40 ft. The spot to know is Main-lake point, a point in about 13 ft of water that rates prime for white bass in fall. In summer the feeding windows fall in early morning and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 12 ft | dawn & dusk | see map |
| Summer | 8 to 25 ft | dawn & dusk | see map |
| Fall | 6 to 25 ft | dawn & dusk | see map |
| Winter | 15 to 40 ft | midday | see map |
Otter Lake also holds crappie (10 to 25 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 43 ft
- Break off the point: drop-off, around 23 ft
- Main-lake point: point, around 13 ft
- Secondary point: point, around 13 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Otter Lake?
Otter Lake is about 51 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 Otter Lake?
Anglers target largemouth bass, white bass, crappie, bluegill, channel catfish, muskellunge, white bass & hybrids on Otter Lake.
Where is the best fishing spot on Otter Lake?
Break off the point is the top-rated area: a drop-off in about 23 ft of water that rates prime for muskellunge in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Otter Lake?
For channel catfish, the summer bite is best in after dark 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
Carlinville Lake · Greenfield Lake · Lake Springfield · Lake Glenn Shoals · Sangamon River · Anderson Lake
See how Otter Lake stacks up: best largemouth bass lakes in Illinois · best white bass lakes in Illinois · best crappie lakes in Illinois · best bluegill lakes in Illinois
Browse all Illinois fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.