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Fishing McKinley Lake: what the data says
32-acre lake near Union County. Iowa DNR survey water. The lake tops out around 4 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 McKinley Lake
Start shallow in spring: largemouth bass sit in 1 to 4 ft that time of year. Summer fish stay in 1 to 4 ft, and winter fish hold in 1 to 4 ft. Main-lake point is the standout, a point at roughly 2 ft, rated prime for fall largemouth bass. 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 | 1 to 4 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 1 to 4 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 1 to 4 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 1 to 4 ft | midday | Blade bait, Jigging spoon |
Bluegill fishing at McKinley Lake
In spring, bluegill run shallow here, mostly 1 to 4 ft. Summer fish stay in 1 to 4 ft, and winter fish hold in 1 to 4 ft. Deep basin is the standout, a deep basin at roughly 4 ft, rated prime for winter bluegill. In summer the feeding windows fall in early morning and the evening. Tie on a small sponge spider (fly) or a micro tube jig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 4 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 1 to 4 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 1 to 4 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 1 to 4 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Crappie fishing at McKinley Lake
Spring crappie on McKinley Lake hold shallow, usually 1 to 4 ft. Summer fish stay in 1 to 4 ft, and winter fish hold in 1 to 4 ft. Deep basin is the standout, a deep basin at roughly 4 ft, rated prime for winter crappie. Plan around early morning and the evening in the warm months. A jig trolled/spider-rigged or a small crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 4 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 1 to 4 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 1 to 4 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 1 to 4 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Yellow Perch fishing at McKinley Lake
In spring, yellow perch run shallow here, mostly 1 to 4 ft. Summer fish stay in 1 to 4 ft, and winter fish hold in 1 to 4 ft. The spot to know is Deep basin, a deep basin in about 4 ft of water that rates prime for yellow perch in fall. Best bite is early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 4 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 1 to 4 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 1 to 4 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 1 to 4 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Channel Catfish fishing at McKinley Lake
In spring, channel catfish run shallow here, mostly 1 to 4 ft. Summer fish stay in 1 to 4 ft, and winter fish hold in 1 to 4 ft. The spot to know is Deep basin, a deep basin in about 4 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 | 1 to 4 ft | dusk | |
| Summer | 1 to 4 ft | night & dusk | |
| Fall | 1 to 4 ft | dusk | |
| Winter | 1 to 4 ft | midday |
Notable structure
- Deep basin: deep basin, around 4 ft
- Break off the point: drop-off, around 3 ft
- Main-lake point: point, around 2 ft
- Secondary point: point, around 2 ft
Common questions
How deep is McKinley Lake?
McKinley Lake is about 4 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 McKinley Lake?
Anglers target largemouth bass, crappie, bluegill, channel catfish, yellow perch on McKinley Lake.
Where is the best fishing spot on McKinley Lake?
Main-lake point is the top-rated area: a point in about 2 ft of water that rates prime for largemouth bass in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish McKinley 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
Summit Lake · Hurley Creek Pond · Green Valley Lake · Twelve Mile Creek Lake · Orient Lake · Three Mile Lake
See how McKinley Lake 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.