Sign inSign up freeRecent catches at Corydon Reservoir
Shared by DepthScout anglers. Exact spots stay private, always.
Fishing Corydon Reservoir: what the data says
87-acre reservoir near Wayne County. Iowa DNR survey water. The lake tops out around 10 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. Here is how the season plays out for each species, straight from the data behind the map.
Largemouth Bass fishing at Corydon Reservoir
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 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 | 3 to 10 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 3 to 10 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 3 to 10 ft | midday | Blade bait, Jigging spoon |
Bluegill fishing at Corydon Reservoir
Spring bluegill on Corydon Reservoir hold shallow, usually 1 to 6 ft. By summer they slide out to 3 to 10 ft, and by winter most fish are in 3 to 10 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. Best bite is early morning and the evening. 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 | 3 to 10 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 3 to 10 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 3 to 10 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Crappie fishing at Corydon Reservoir
In spring, crappie run shallow here, mostly 2 to 8 ft. They move out to 3 to 10 ft in summer and finish the year down in 3 to 10 ft. The spot to know is Deep basin, a deep basin in about 10 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 | 3 to 10 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 3 to 10 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 3 to 10 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Yellow Perch fishing at Corydon Reservoir
Start shallow in spring: yellow perch sit in 3 to 10 ft that time of year. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for yellow perch in spring. Best bite is early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 10 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 3 to 10 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 3 to 10 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 3 to 10 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Channel Catfish fishing at Corydon Reservoir
In spring, channel catfish run shallow here, mostly 3 to 10 ft. Summer fish stay in 3 to 10 ft, and winter fish hold in 3 to 10 ft. Deep basin is the standout, a deep basin at roughly 10 ft, rated prime for winter channel catfish. Plan around after dark and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 10 ft | dusk | |
| Summer | 3 to 10 ft | night & dusk | |
| Fall | 3 to 10 ft | dusk | |
| Winter | 3 to 10 ft | midday |
Notable structure
- Deep basin: deep basin, around 10 ft
- Break off the point: drop-off, around 7 ft
- Main-lake point: point, around 5 ft
- Secondary point: point, around 4 ft
- Shallow bay flat: weed flat, around 3 ft
Common questions
How deep is Corydon Reservoir?
Corydon Reservoir is about 10 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 Corydon Reservoir?
Anglers target largemouth bass, crappie, bluegill, channel catfish, yellow perch on Corydon Reservoir.
Where is the best fishing spot on Corydon Reservoir?
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 Corydon Reservoir?
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
Bob White Lake · Humeston Reservoir · Red Haw Lake · Ellis Lake · Morris Lake · Williamson Pond
See how Corydon Reservoir stacks up: best largemouth bass lakes in Iowa · best crappie lakes in Iowa · best bluegill lakes in Iowa · best channel catfish 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.