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43,343-acre lake near Geneva. The lake tops out around 618 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.
Traced from the shoreline, Seneca Lake runs 43,344 acres with 79.1 miles of edge. An index of 2.7 puts the bank firmly in maze territory: point after pocket after cove, every one a casting target. Littoral water — the productive band under ~15 ft — makes up 0% of this chart. End to end it runs roughly 34.2 mi, about 4.3 mi across. The water lies in Yates County. The nearest mapped water is Cayuga Lake, 11 mi to the northeast.
Spring puts lake trout in skinny water — 10 to 40 ft is the zone. As the season builds they drop to 50 to 120 ft, wintering in 20 to 80 ft. Summer lake trout concentrate at Offshore hump, a prime-rated offshore hump around 99 ft. Warm-month bites cluster around early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Main-lake point (34 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 50 to 120 ft | dawn | Offshore hump (99 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Offshore hump (37 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | Offshore hump (37 ft) | White tube jig, Airplane jig |
Spring puts rainbow trout in skinny water — 5 to 20 ft is the zone. Warm water sends them out to 8 to 30 ft; cold water stacks them in 8 to 40 ft. Main-lake point is the standout, a point at roughly 34 ft, rated prime for fall rainbow trout. Plan around early morning and the evening in the warm months. A dodger + spoon (deep troll) or a flutter spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Indian Creek inflow (36 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Indian Creek inflow (36 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (34 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Indian Creek inflow (36 ft) | Jigging spoon, Tube jig (white) |
Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 20 to 45 ft. The spot to know is Offshore hump, an offshore hump in about 25 ft of water that rates prime for smallmouth bass in summer. Warm-month bites cluster around early morning and the evening. Throw a drop shot (goby/minnow) or a ned rig until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | open water | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Offshore hump (25 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Offshore hump (25 ft) | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Offshore hump (37 ft) | Blade bait, Hair jig |
The spring pattern is a shallow one: largemouth bass in 2 to 10 ft. As the season builds they drop to 8 to 20 ft, wintering in 15 to 35 ft. Top water on the chart: Marina / dock area, a dock line in the 4 ft range, prime in spring. Time it for early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Marina / dock area (4 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Dock / pier line (10 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Main-lake point (34 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Offshore hump (25 ft) | Blade bait, Jigging spoon |
Come spring, look for yellow perch tight to the bank in 3 to 12 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 15 to 35 ft. Start at Offshore hump. It's an offshore hump holding about 25 ft of water and rates prime come summer. Prime time lands in early morning. A drop-shot micro plastics or a small spoon tipped with worm is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (27 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Offshore hump (25 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Offshore hump (25 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Offshore hump (25 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. The spot to know is Indian Creek inflow, an inflow / creek mouth in about 36 ft of water that rates good for northern pike in spring. Warm-month bites cluster around early morning and the evening. Throw a bucktail or a weedless spoon over cabbage until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Indian Creek inflow (36 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | open water | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (195 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (27 ft) | Tip-ups, Large jigging spoon |
Seneca Lake also holds walleye (15 to 35 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 26 features, led in depth by Deep basin at roughly 618 ft.
Access data: New York State DEC — Boat Launches (FishNY). Confirm conditions and fees locally before you launch.
| Date | Species | Count | Size |
|---|---|---|---|
| 2026* | Brown Trout | 22,900 | ~8" |
| October 2025* | Lake Trout | 40,000 | ~6.1" |
| June 2025* | Brown Trout | 3,087 | ~7.5" |
| April 2025* | Landlocked Salmon | 24,760 | ~6.7" |
| April 2025* | Lake Trout | 18,170 | ~8.3" |
| March 2025* | Brown Trout | 22,680 | ~7.9" |
| October 2024* | Lake Trout | 40,000 | ~6.6" |
| June 2024* | Landlocked Salmon | 80,023 | ~1.5" |
* Approximate date (agency reports month or season only). Source: NYSDEC fish-stocking lists, retrieved 2026-08-18.
Season dates, license requirements, and size and bag limits for New York waters are set by the New York DEC — and special regulations can apply to Seneca Lake specifically, so confirm the current rules before you fish.
Check the official New York fishing regulations →
Seneca Lake is about 618 ft (188 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 lake trout, rainbow trout, smallmouth bass, largemouth bass, yellow perch, northern pike, walleye on Seneca Lake.
Offshore hump is the top-rated area: an offshore hump in about 25 ft of water that rates prime for smallmouth bass in summer. The interactive chart above rates every spot for each species and season.
For lake trout, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Yes — per NYSDEC fish-stocking lists records, Seneca Lake was most recently stocked 2026 with 22,900 brown trout. The full stocking history is listed above.
Fishing on Seneca Lake is regulated by the New York DEC. Check the official New York regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Cayuga Lake 11 mi · Keuka Lake 13 mi · Waneta Lake 16 mi · Lamoka Lake 17 mi · Cayuta Lake 20 mi · Canandaigua Lake 22 mi · Owasco Lake 25 mi · Honeoye Lake 31 mi · Lake Como 31 mi · Skaneateles Lake 33 mi · Canadice Lake 34 mi · Dryden Lake 35 mi
See how Seneca Lake stacks up: best largemouth bass lakes in New York · best smallmouth bass lakes in New York · best walleye lakes in New York · best northern pike lakes in New York
Browse all New York 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.