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Fishing Sylvan Lake: what the data says
114-acre lake near Beekman. The lake tops out around 140 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 follows comes from the same scoring engine that paints the spots above.
Largemouth Bass fishing at Sylvan Lake
Spring largemouth bass on Sylvan Lake hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for largemouth bass in spring. 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 | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Blade bait, Jigging spoon |
Chain Pickerel fishing at Sylvan Lake
Start shallow in spring: chain pickerel sit in 2 to 10 ft that time of year. They move out to 3 to 15 ft in summer and finish the year down in 5 to 18 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring chain pickerel. In summer the feeding windows fall in early morning and the evening. Tie on a weedless spoon + trailer or a buzzbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Inline spinner (silver), Small spoon (red/white) |
| Summer | 3 to 15 ft | dawn & dusk | Weedless spoon + trailer, Buzzbait |
| Fall | 4 to 15 ft | midday & dawn | Jerkbait along weed edges, Spinnerbait |
| Winter | 5 to 18 ft | dawn | Jigging spoon (through ice) |
Pumpkinseed fishing at Sylvan Lake
In spring, pumpkinseed run shallow here, mostly 1 to 8 ft. They move out to 2 to 10 ft in summer and finish the year down in 6 to 18 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. Best bite is the evening and early morning. Summer baits: a micro tube or a sponge spider (fly) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Tungsten ice jig + plastic, Tiny spoon |
Cisco (Lake Herring) fishing at Sylvan Lake
Spring cisco (lake herring) on Sylvan Lake hold shallow, usually 10 to 40 ft. They move out to 40 to 80 ft in summer and finish the year down in 20 to 60 ft. The spot to know is Break off the point, a drop-off in about 84 ft of water that rates good for cisco (lake herring) in summer. Plan around early morning in the warm months. A vertical flutter spoon (small) or a drop-shot micro plastic covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Small silver spoon, Tiny swim jig (white) |
| Summer | 40 to 80 ft | dawn | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Small casting spoon, Inline spinner (silver) |
| Winter | 20 to 60 ft | dawn | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Brown Trout fishing at Sylvan Lake
Spring brown trout on Sylvan Lake hold shallow, usually 3 to 25 ft. By summer they slide out to 25 to 60 ft, and by winter most fish are in 5 to 35 ft. Main-lake point is the standout, a point at roughly 12 ft, rated prime for spring brown trout. Plan around after dark and early morning in the warm months. A spoon at the thermocline or a deep stickbait (night) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 25 to 60 ft | night & dawn | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Jigging spoon, Small stickbait (slow) |
Notable structure
- Deep basin: deep basin, around 140 ft
- Break off the point: drop-off, around 84 ft
- Main-lake point: point, around 12 ft
- Secondary point: point, around 8 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Sylvan Lake?
Sylvan Lake is about 140 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 Sylvan Lake?
Anglers target largemouth bass, brown trout, chain pickerel, cisco (lake herring), pumpkinseed on Sylvan Lake.
Where is the best fishing spot on Sylvan Lake?
Shallow bay flat is the top-rated area: a weed flat in about 6 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 Sylvan 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
Boyd Corners Reservoir · West Branch Reservoir · Stillwater Pond · Lake Gleneida · Kirk Lake · Lake Gilead
See how Sylvan Lake stacks up: best largemouth bass lakes in New York · best brown trout lakes in New York · best chain pickerel lakes in New York · best cisco (lake herring) lakes in New York
Browse all New York fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.