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3,590-acre reservoir near Alliance. The lake tops out around 60 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. What the data behind the map says about each species, season by season:
The drawn water covers 3,138 acres wrapped in 57.1 miles of bank. With a shoreline index of 7.3, this water is all arms and coves — edge habitat well beyond its acreage. The shallow band under 15 ft claims about 68% of the surface — that's where the groceries are. The basin spans about 8.2 mi end to end and 3.5 mi across at its widest. Portage County claims this one. If the bite dies, Lake Milton is 7 mi to the northeast.
Early season largemouth bass use the shallows, holding in 2 to 10 ft. Expect a summer slide to 8 to 20 ft, then a winter hold in 15 to 35 ft. Put Shallow bay flat first on the milk run — a weed flat near 2 ft that grades prime for spring. In summer the feeding windows fall in early morning and the evening. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (2 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Sharp break (8 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Main-lake point (5 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Sharp break (8 ft) | Blade bait, Jigging spoon |
Spring crappie on Berlin Lake hold shallow, usually 2 to 8 ft. By summer they slide out to 10 to 25 ft, and by winter most fish are in 15 to 35 ft. The chart's best answer is Shallow bay flat — weed flat, 2 ft, prime for spring. Prime time lands in early morning and the evening. The summer box starts with a jig trolled/spider-rigged or a small crankbait (trolled).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (2 ft) | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Feeding flat (22 ft) | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Sharp break (8 ft) | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 15 to 35 ft | midday | Deep basin (49 ft) | Tungsten jig + soft plastic, Tiny jigging spoon |
Spring bluegill on Berlin Lake hold shallow, usually 1 to 6 ft. They move out to 4 to 15 ft in summer and finish the year down in 10 to 25 ft. Put Shallow bay flat first on the milk run — a weed flat near 2 ft that grades prime for spring. The feeding windows run early morning and the evening. The summer box starts with a small sponge spider (fly) or a micro tube jig.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (2 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Shallow feeding flat (8 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Break off the point (7 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Feeding flat (22 ft) | Tungsten ice jig + plastic, Tiny spoon |
Early season channel catfish use the shallows, holding in 3 to 12 ft. Expect a summer slide to 8 to 25 ft, then a winter hold in 20 to 40 ft. Put Island Creek inflow first on the milk run — an inflow / creek mouth near 2 ft that grades prime for spring. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Island Creek inflow (2 ft) | |
| Summer | 8 to 25 ft | night & dusk | Mahoning River inflow (18 ft) | |
| Fall | 10 to 30 ft | dusk | Feeding flat (22 ft) | |
| Winter | 20 to 40 ft | midday | Deep basin (49 ft) |
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. Summer pushes them deeper, 15 to 35 ft, and winter fish settle into 20 to 40 ft. The spot to know is Secondary point, a point in about 12 ft of water that rates prime for walleye in fall. Warm-month bites cluster around the evening and early morning. Throw a crawler harness on bottom bouncer or a deep crankbait (trolled) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Island Creek inflow (2 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Secondary point (12 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Secondary point (12 ft) | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Deep basin (49 ft) | Jigging spoon + minnow head, Rattle bait |
Spring white bass & hybrids on Berlin Lake hold shallow, usually 3 to 15 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 20 to 40 ft. The chart's best answer is Secondary point — point, 12 ft, prime for fall. Prime time lands in early morning and the evening. The summer box starts with a jigging spoon or a topwater (when schooling).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | midday & dawn | Island Creek inflow (2 ft) | Rooster tail / inline spinner, Curly-tail jig (white/chartreuse) |
| Summer | 10 to 30 ft | dawn & dusk | Secondary point (12 ft) | Jigging spoon, Topwater (when schooling) |
| Fall | 8 to 25 ft | midday & dawn | Secondary point (12 ft) | Small blade bait, Jigging spoon |
| Winter | 20 to 40 ft | midday | Deep basin (49 ft) | Jigging spoon, Blade bait (vertical) |
Structure-wise the chart holds 17 features, led in depth by Deep basin at roughly 49 ft.
Access data: Ohio DNR — Boater & Stream Access. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Ohio waters are set by the Ohio DNR Division of Wildlife — and special regulations can apply to Berlin Lake specifically, so confirm the current rules before you fish.
Check the official Ohio fishing regulations →
Berlin Lake is about 60 ft (18 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target largemouth bass, crappie, bluegill, channel catfish, walleye, white bass & hybrids on Berlin 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. 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 Berlin Lake is regulated by the Ohio DNR Division of Wildlife. Check the official Ohio regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lake Milton 7 mi · Dale Walborn Reservoir 8 mi · West Branch Reservoir 11 mi · Guilford Lake 16 mi · Wingfoot Lake 16 mi · Mogadore Reservoir 17 mi · Springfield Lake 21 mi · Nimisila Reservoir 25 mi · Sippo Lake 25 mi · Portage Lakes (Turkeyfoot) 26 mi · Long Lake 26 mi · North Lake 26 mi
See how Berlin Lake stacks up: best largemouth bass lakes in Ohio · best walleye lakes in Ohio · best crappie lakes in Ohio · best bluegill lakes in Ohio
Browse all Ohio fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. 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.