Turtle Lake Depth Map (Muskoka District Municipality, ON)

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Lake depth chart

Turtle Lake, ON

Max 20 ft

Today's read

Where to start

Hopper & ant season (windward banks) window is on — see the hatch outlook

Hatch outlook

Hopper & ant season (windward banks)Active window

Typical here: Jul 1 – Sep 15 · hoppers peak July–August; winged-ant falls show up on warm humid afternoons — a wind event, not a hatch

adultwarm, breezy afternoons, roughly 1–5pm — slap the imitation down hard — the splat is the trigger — then wait; count to three after the rise before setting

Work the windward bank on breezy summer afternoons — that's where the food is. Casting-bubble-and-hopper is the direct translation; otherwise run small topwaters and inline spinners tight along the grass edges and blowdown banks in the afternoon warmth.

The event happens over windward grassy banks, overhanging brush and blowdowns — wherever the breeze dumps the bugs

Fall shiner runActive window

Typical here: Sep 1 – Oct 31 · same push on the Ontario side — Simcoe's shiners migrate shallow as the water cools, and the predators ride with them

adultdaylight for the jig bite; after dark the shiners stack under dock lights with walleyes and pike mixed right in — follow the bait, not the spot — millions of shiners move together and the predators ride with them; silver profile and flash matter

Concentrates hard but travels — the school (and the walleyes under it) can be off a river mouth one week and miles upriver the next.

Jig-and-minnow is the event's signature — a frozen emerald shiner on a 1/4 oz jig drifted along the run; silver jerkbaits and trolled crankbaits take the roaming fish; blade baits under the schools.

The event happens over river mouths and the first miles upriver, warming shallow shorelines, and rocky points where the displaced bait stacks

Next on this water

Hex (giant mayfly) · mayflyMay 25 – Aug 10 · in ~9 months

June mayfly hatch (walleye lakes) · mayflyJun 1 – Aug 10 · in ~9 months

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours on this water are approximations. Never use for navigation. Always check local regulations.

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Recent catches at Turtle Lake

Shared by DepthScout anglers. Exact spots stay private, always.

No shared catches here yet — be the first.Log a catch from the map above and share it to put Turtle Lake on the board.

Fishing Turtle Lake: what the data says

76-acre lake in Muskoka District Municipality, Ontario. The lake tops out around 20 ft. The contours come from a model of the real basin shape and its known max depth. Read them as probabilities, not soundings, and keep them out of navigation decisions. Here's the year, species by species, as the scoring engine sees it.

Traced from the shoreline, Turtle Lake runs 77 acres with 3.3 miles of edge. With a shoreline index of 2.7, this water is all arms and coves — edge habitat well beyond its acreage. 94% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. Tip to tip the water measures near 1.5 mi with a 0.2-mi widest point. The water lies in Muskoka District Municipality. The nearest mapped water is Loon Lake, 1 mi to the east.

Yellow Perch fishing at Turtle Lake

Come spring, look for yellow perch tight to the bank in 3 to 12 ft. Expect a summer slide to 6 to 20 ft, then a winter hold in 6 to 20 ft. Start at Shallow bay flat. It's a weed flat holding about 3 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 (3 ft)	Small jig + curly tail, Perch-pattern micro crank
Summer	6 to 20 ft	dawn	Deep basin (17 ft)	Drop-shot micro plastics, Small spoon tipped with worm
Fall	6 to 20 ft	midday	Deep basin (17 ft)	Jigging spoon (small), Perch rig / spreader
Winter	6 to 20 ft	midday & dawn	Deep basin (17 ft)	Tungsten jig + spikes, Rattle spoon (small)

Northern Pike fishing at Turtle Lake

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 Shallow bay flat, a weed flat in about 3 ft of water that rates prime 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	Shallow bay flat (3 ft)	#5 inline spinner, Spoon (red/white)
Summer	8 to 20 ft	dawn & dusk	Break off the point (9 ft)	Bucktail, Weedless spoon over cabbage
Fall	6 to 18 ft	midday & dawn	Break off the point (9 ft)	Big rubber (Bull Dawg style), Husky-style jerkbait
Winter	5 to 15 ft	midday	Shallow bay flat (3 ft)	Tip-ups, Large jigging spoon

Smallmouth Bass fishing at Turtle Lake

Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. Summer pushes them deeper, 6 to 20 ft, and winter fish settle into 6 to 20 ft. The spot to know is Main-lake 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	Main-lake point (8 ft)	Ned rig, Tube jig
Summer	6 to 20 ft	dawn & dusk	Break off the point (9 ft)	Drop shot (goby/minnow), Ned rig
Fall	6 to 20 ft	midday & dawn	Main-lake point (8 ft)	Jerkbait, Blade bait
Winter	6 to 20 ft	midday	Break off the point (9 ft)	Blade bait, Hair jig

Largemouth Bass fishing at Turtle Lake

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 6 to 20 ft. Top water on the chart: Shallow bay flat, a weed flat in the 3 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	Shallow bay flat (3 ft)	Spinnerbait, Chatterbait
Summer	8 to 20 ft	dawn & dusk	Break off the point (9 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	6 to 20 ft	midday	Break off the point (9 ft)	Blade bait, Jigging spoon

Bluegill fishing at Turtle Lake

In spring, bluegill run shallow here, mostly 1 to 6 ft. Summer pushes them deeper, 4 to 15 ft, and winter fish settle into 6 to 20 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring bluegill. Time it for early morning and the evening. You won't need more than a small sponge spider (fly) or a micro tube jig most summer days.

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 (9 ft)	Micro jig + waxworm, Small spoon tipped
Winter	6 to 20 ft	midday	Deep basin (17 ft)	Tungsten ice jig + plastic, Tiny spoon

Pumpkinseed fishing at Turtle Lake

Early season pumpkinseed use the shallows, holding in 1 to 8 ft. Expect a summer slide to 2 to 10 ft, then a winter hold in 6 to 18 ft. Put Shallow bay flat first on the milk run — a weed flat near 3 ft that grades prime for spring. In summer the feeding windows fall in the evening and early morning. Tie on a micro tube or a sponge spider (fly) and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	1 to 8 ft	midday & dusk	Shallow bay flat (3 ft)	Micro jig under a float, Tiny beetle-spin
Summer	2 to 10 ft	dusk & dawn	Shallow bay flat (3 ft)	Micro tube, Sponge spider (fly)
Fall	4 to 14 ft	dusk & dawn	Shallow bay flat (3 ft)	Micro jig + waxworm, Small spoon tipped
Winter	6 to 18 ft	dawn	Deep basin (17 ft)	Tungsten ice jig + plastic, Tiny spoon

Turtle Lake also holds brown bullhead (3 to 12 ft in summer). Pick any of them on the map above for rated spots and bait picks.

Notable structure

Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 17 ft.

Deep basin: deep basin, around 17 ft
Break off the point: drop-off, around 9 ft
Main-lake point: point, around 8 ft
Secondary point: point, around 8 ft
Shallow bay flat: weed flat, around 3 ft
Back-bay flat: weed flat, around 3 ft

Public access & boat ramps

Loon and Turtle Lake — ramp (natural)
Loon and Turtle Lake — ramp (natural)

Access data: Geospatial Ontario - Fishing Access Points. Confirm conditions and fees locally before you launch.

Turtle Lake fishing regulations

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 Turtle Lake specifically, so confirm the current rules before you fish.

Check the official Ontario fishing regulations →

Common questions

How deep is Turtle Lake?

Turtle Lake is about 20 ft (6 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.

What fish are in Turtle Lake?

Anglers target yellow perch, northern pike, smallmouth bass, largemouth bass, bluegill, pumpkinseed, brown bullhead on Turtle Lake.

Where is the best fishing spot on Turtle Lake?

Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for yellow perch in spring. Every other rated spot, per species and season, is on the map above.

When is the best time to fish Turtle Lake?

For yellow perch, 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.

What are the fishing regulations for Turtle Lake?

Fishing on Turtle 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.

Nearby waters

Loon Lake 1 mi · Muldrew Lakes 2 mi · Bearpaw Lake 2 mi · Lamorie Lake 2 mi · Little Lake 2 mi · Deer Lake 3 mi · Morrison Lake 4 mi · Pigeon Lake 4 mi · Pence Lake 4 mi · Bastedo Lake 5 mi · Gull Lake 5 mi · Jevins Lake 5 mi

See how Turtle Lake stacks up: best largemouth bass lakes in Ontario · best smallmouth bass lakes in Ontario · best northern pike lakes in Ontario · best bluegill lakes in Ontario

More water nearby: Muskoka District Municipality fishing maps (276 charts). Browse all Ontario 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.