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Fishing Mercer County Park Lake: what the data says
280-acre reservoir near West Windsor. The lake tops out around 17 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. Below is the species-by-species picture, pulled from the same data the map uses.
Largemouth Bass fishing at Mercer County Park Lake
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. By summer they slide out to 5 to 17 ft, and by winter most fish are in 5 to 17 ft. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for largemouth bass in spring. Best bite is early morning and the evening. A texas-rigged 10" worm or a deep-diving crankbait covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 5 to 17 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 5 to 17 ft | midday | Blade bait, Jigging spoon |
Channel Catfish fishing at Mercer County Park Lake
In spring, channel catfish run shallow here, mostly 3 to 12 ft. By summer they slide out to 5 to 17 ft, and by winter most fish are in 5 to 17 ft. The spot to know is Creek inflow, a inflow / creek mouth in about 9 ft of water that rates prime for channel catfish in spring. Best bite is after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 5 to 17 ft | night & dusk | |
| Fall | 5 to 17 ft | dusk | |
| Winter | 5 to 17 ft | midday |
Crappie fishing at Mercer County Park Lake
Spring crappie on Mercer County Park Lake hold shallow, usually 2 to 8 ft. They move out to 5 to 17 ft in summer and finish the year down in 5 to 17 ft. The spot to know is Deep basin, a deep basin in about 17 ft of water that rates prime for crappie in winter. Best bite is early morning and the evening. Tie on a jig trolled/spider-rigged or a small crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 5 to 17 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 5 to 17 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 5 to 17 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Bluegill fishing at Mercer County Park Lake
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. Summer pushes them deeper, 4 to 15 ft, and winter fish settle into 5 to 17 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. Plan around early morning and the evening in the warm months. 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 | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 5 to 17 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 5 to 17 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Yellow Perch fishing at Mercer County Park Lake
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 5 to 17 ft, and winter fish settle into 5 to 17 ft. The spot to know is Back-bay flat, a weed flat in about 4 ft of water that rates prime for yellow perch in spring. Best bite is early morning. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 5 to 17 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 5 to 17 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 5 to 17 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Muskellunge fishing at Mercer County Park Lake
Start shallow in spring: muskellunge sit in 3 to 12 ft that time of year. By summer they slide out to 5 to 17 ft, and by winter most fish are in 5 to 17 ft. The spot to know is Break off the point, a drop-off in about 6 ft of water that rates prime for muskellunge in fall. Plan around the evening and early morning in the warm months. Tie on a double-10 bucktail or a topwater (walk-the-dog / creeper) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 5 to 17 ft | dusk & dawn | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 5 to 17 ft | midday & dusk | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 5 to 17 ft | midday | Large rubber, crawled slow |
Mercer County Park Lake also holds common carp (3 to 15 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 17 ft
- Creek inflow: inflow / creek mouth, around 9 ft
- Break off the point: drop-off, around 6 ft
- Main-lake point: point, around 5 ft
- Back-bay flat: weed flat, around 4 ft
- Old creek channel: creek channel, around 4 ft
- Secondary point: point, around 2 ft
- Shallow bay flat: weed flat, around 2 ft
Common questions
How deep is Mercer County Park Lake?
Mercer County Park Lake is about 17 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 Mercer County Park Lake?
Anglers target largemouth bass, crappie, bluegill, channel catfish, muskellunge, yellow perch, common carp on Mercer County Park Lake.
Where is the best fishing spot on Mercer County Park Lake?
Shallow bay flat is the top-rated area: a weed flat in about 2 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 Mercer County Park 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
East Brunswick Community Park Lake · Raritan River · Duhernal Lake · Lake Topanemus · Spruce Run Reservoir · Weequahic Lake
See how Mercer County Park Lake stacks up: best largemouth bass lakes in New Jersey · best crappie lakes in New Jersey · best bluegill lakes in New Jersey · best channel catfish lakes in New Jersey
Browse all New Jersey fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.