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10,771-acre lake near Bobcaygeon. The lake tops out around 35 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. The season-by-season read for each species follows, from the map's own numbers.
On the chart, Sturgeon Lake draws 11,403 acres inside 68.5 miles of shoreline — 3 islands included. That shoreline is heavily fingered (development index 4.6) — bays, points and pockets everywhere, which multiplies the fishable edge. About 61% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. The basin spans about 14.6 mi end to end and 6.9 mi across at its widest. The water lies in Kawartha Lakes. For a second option, Cameron Lake lies 8 mi northwest.
Early season cisco (lake herring) use the shallows, holding in 9 to 35 ft. Even in summer they hold at 11 to 35 ft; winter keeps them in 11 to 35 ft. Put Deep basin first on the milk run — a deep basin near 32 ft that grades prime for spring. In summer the feeding windows fall in early morning. Tie on a vertical flutter spoon (small) or a drop-shot micro plastic and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 9 to 35 ft | dawn & dusk | Deep basin (32 ft) | Small silver spoon, Tiny swim jig (white) |
| Summer | 11 to 35 ft | dawn | Deep basin (32 ft) | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Gravel shoal (9 ft) | Small casting spoon, Inline spinner (silver) |
| Winter | 11 to 35 ft | dawn | Deep basin (32 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Come spring, look for walleye tight to the bank in 4 to 15 ft. They move out to 15 to 35 ft in summer and finish the year down in 11 to 35 ft. If you only fish one area, make it Gravel shoal: a gravel shoal around 4 ft that scores prime in spring. Best bite is the evening and early morning. A crawler harness on bottom bouncer or a deep crankbait (trolled) is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Gravel shoal (4 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Deep basin (32 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 11 to 35 ft | dusk & night | Break off the point (7 ft) | Jigging rap, Jig + big minnow |
| Winter | 11 to 35 ft | dusk & dawn | Deep basin (32 ft) | Jigging spoon + minnow head, Rattle bait |
Spring sauger on Sturgeon Lake hold shallow, usually 4 to 18 ft. They move out to 10 to 30 ft in summer and finish the year down in 11 to 35 ft. Put Old creek channel first on the milk run — a creek channel near 12 ft that grades prime for summer. The feeding windows run early morning and the evening. The summer box starts with a bottom bouncer + crawler or a 3-way rig with stickbait.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 18 ft | dawn & dusk | Creek inflow (3 ft) | 3/8 oz jig + ringworm, Hair jig + minnow |
| Summer | 10 to 30 ft | dawn & dusk | Old creek channel (12 ft) | Bottom bouncer + crawler, 3-way rig with stickbait |
| Fall | 12 to 35 ft | dusk & dawn | Old creek channel (12 ft) | Jig + big minnow, Blade bait |
| Winter | 11 to 35 ft | dusk | Deep basin (32 ft) | Heavy jigging spoon, Jig + minnow (vertical) |
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 Shallow bay flat. It's a weed flat holding about 4 ft of water and rates prime come spring. 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 (4 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Deep basin (32 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Deep basin (32 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (32 ft) | Tungsten jig + spikes, Rattle spoon (small) |
In spring, muskellunge run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 8 to 25 ft, and winter fish settle into 15 to 35 ft. Break off the point is the standout, a drop-off at roughly 7 ft, rated prime for fall muskellunge. Time it for the evening and early morning. You won't need more than a double-10 bucktail or a topwater (walk-the-dog / creeper) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Shallow bay flat (4 ft) | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 8 to 25 ft | dusk & dawn | Shoreline point (8 ft) | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 8 to 30 ft | midday & dusk | Break off the point (7 ft) | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 15 to 35 ft | midday | Deep basin (32 ft) | Large rubber, crawled slow |
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 11 to 35 ft. The spot to know is Shoreline point, a point in about 8 ft of water that rates prime for smallmouth bass in fall. 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 | Gravel shoal (4 ft) | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (7 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Shoreline point (8 ft) | Jerkbait, Blade bait |
| Winter | 11 to 35 ft | midday | Break off the point (7 ft) | Blade bait, Hair jig |
Sturgeon Lake also holds largemouth bass (8 to 20 ft in summer), rock bass (5 to 20 ft in summer), crappie (10 to 25 ft in summer), bluegill (4 to 15 ft in summer), pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer), channel catfish (8 to 25 ft in summer), burbot (11 to 35 ft in summer), common carp (3 to 15 ft in summer), lake sturgeon (11 to 35 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Sturgeon Lake carries 19 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 32 ft down.
Access data: Land Information Ontario — Fishing Access Point. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to Sturgeon Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Sturgeon Lake is about 35 ft (11 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 cisco (lake herring), walleye, sauger, yellow perch, muskellunge, smallmouth bass, largemouth bass, rock bass, crappie, bluegill, pumpkinseed, brown bullhead, channel catfish, burbot, common carp, lake sturgeon on Sturgeon Lake.
Deep basin is the top-rated area: a deep basin in about 32 ft of water that rates prime for cisco (lake herring) in spring. Open the map above to see every rated spot for each species and season.
For cisco (lake herring), 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.
Fishing on Sturgeon Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Cameron Lake 8 mi · Pigeon Lake 10 mi · Pigeon River 11 mi · Balsam Lake 12 mi · Buckhorn Lake 14 mi · Bald Lake Narrows 14 mi · Chemong Lake 14 mi · Sandy Lake 15 mi · Chemong Lake 15 mi · Little Bald Lake 15 mi · Four Mile Lake 16 mi · Mitchell Lake 16 mi
See how Sturgeon Lake stacks up: best largemouth bass lakes in Ontario · best smallmouth bass lakes in Ontario · best walleye lakes in Ontario · best sauger lakes in Ontario
More water nearby: Kawartha Lakes fishing maps (20 charts). Browse all Ontario 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.