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300-acre lake near Williamstown. The lake tops out around 25 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. What follows comes from the same scoring engine that paints the spots above.
On the chart, Williamstown Lake draws 313 acres inside 16.8 miles of shoreline. The 6.8 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. End to end it runs roughly 2.3 mi, about 1.9 mi across. You'll find it in Grant County. For a second option, Boltz Lake lies 5 mi northwest.
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 8 to 25 ft for winter. Spring largemouth bass concentrate at Shallow bay flat, a prime-rated weed flat around 3 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a texas-rigged 10" worm or a deep-diving crankbait most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (3 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (11 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Main-lake point (8 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 8 to 25 ft | midday | Break off the point (11 ft) | Blade bait, Jigging spoon |
Spring puts crappie in skinny water — 2 to 8 ft is the zone. Warm water sends them out to 10 to 25 ft; cold water stacks them in 8 to 25 ft. Deep basin is the standout, a deep basin at roughly 21 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 | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (3 ft) | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Break off the point (11 ft) | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Break off the point (11 ft) | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 8 to 25 ft | midday | Deep basin (21 ft) | Tungsten jig + soft plastic, Tiny jigging spoon |
The spring pattern is a shallow one: bluegill in 1 to 6 ft. Midsummer fish sit out in 4 to 15 ft before dropping to 10 to 25 ft for winter. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for bluegill in spring. Plan around early morning and the evening in the warm months. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (3 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Shallow bay flat (3 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Break off the point (11 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Deep basin (21 ft) | Tungsten ice jig + plastic, Tiny spoon |
In spring, channel catfish run shallow here, mostly 3 to 12 ft. Midsummer fish sit out in 8 to 25 ft before dropping to 8 to 25 ft for winter. Winter channel catfish concentrate at Deep basin, a prime-rated deep basin around 21 ft. Fish it in after dark and the evening and you'll meet the bite.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Shallow bay flat (3 ft) | |
| Summer | 8 to 25 ft | night & dusk | Deep basin (21 ft) | |
| Fall | 8 to 25 ft | dusk | Deep basin (21 ft) | |
| Winter | 8 to 25 ft | midday | Deep basin (21 ft) |
Count 7 structure marks on this chart. The deepest, Deep basin, sits near 21 ft.
Access data: Kentucky Fish & Wildlife — Fishing Access Sites. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Kentucky waters are set by the Kentucky Department of Fish & Wildlife — and special regulations can apply to Williamstown Lake specifically, so confirm the current rules before you fish.
Check the official Kentucky fishing regulations →
Williamstown Lake is about 25 ft (8 m) deep 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.
Anglers target largemouth bass, crappie, bluegill, channel catfish on Williamstown Lake.
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. The interactive chart above rates every spot for each species and season.
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 Williamstown Lake is regulated by the Kentucky Department of Fish & Wildlife. Check the official Kentucky regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Boltz Lake 5 mi · Bullock Pen Lake 10 mi · Corinth Lake 12 mi · Kincaid Lake 15 mi · Licking River (Lower) 17 mi · A.J. Jolly Lake 17 mi · Ohio River - Markland Pool 20 mi, OH/KY · Elmer Davis Lake 21 mi · Benjy Kinman Lake 28 mi · Elkhorn Creek 32 mi · East Fork Lake (Harsha Lake) 33 mi, OH · Grant Lake 40 mi, OH
See how Williamstown Lake stacks up: best largemouth bass lakes in Kentucky · best crappie lakes in Kentucky · best bluegill lakes in Kentucky · best channel catfish lakes in Kentucky
Browse all Kentucky fishing maps or see every water on DepthScout. 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.