Loon Lake Depth Map (Muskoka District Municipality, ON)

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Lake depth chart

Loon Lake, ON

Max 21 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 Loon 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 Loon Lake on the board.

Fishing Loon Lake: what the data says

200-acre lake in Muskoka District Municipality, Ontario. The lake tops out around 21 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. Every species below gets its seasonal read from the same numbers driving the chart.

On the chart, Loon Lake draws 204 acres inside 6 miles of shoreline, broken up by 2 islands. With a shoreline index of 3, this water is all arms and coves — edge habitat well beyond its acreage. Roughly 92% of the water is 15 ft or less as modeled, the band where the food chain lives. The basin spans about 2.4 mi end to end and 0.2 mi across at its widest. You'll find it in Muskoka District Municipality. For a second option, Turtle Lake lies 1 mi west.

Yellow Perch fishing at Loon Lake

Come spring, look for yellow perch tight to the bank in 3 to 12 ft. They move out to 6 to 21 ft in summer and finish the year down in 6 to 21 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is 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 21 ft	dawn	Deep basin (18 ft)	Drop-shot micro plastics, Small spoon tipped with worm
Fall	6 to 21 ft	midday	Deep basin (18 ft)	Jigging spoon (small), Perch rig / spreader
Winter	6 to 21 ft	midday & dawn	Deep basin (18 ft)	Tungsten jig + spikes, Rattle spoon (small)

Northern Pike fishing at Loon Lake

Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. Warm water sends them out to 8 to 20 ft; cold water stacks them in 5 to 15 ft. Top water on the chart: Shallow bay flat, a weed flat in the 3 ft range, prime in spring. Fish it in early morning and the evening and you'll meet the bite. 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 Loon Lake

Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. Warm water sends them out to 6 to 21 ft; cold water stacks them in 6 to 21 ft. Top water on the chart: Main-lake point, a point in the 8 ft range, prime in fall. Fish it in early morning and the evening and you'll meet the bite. 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 21 ft	dawn & dusk	Break off the point (9 ft)	Drop shot (goby/minnow), Ned rig
Fall	6 to 21 ft	midday & dawn	Main-lake point (8 ft)	Jerkbait, Blade bait
Winter	6 to 21 ft	midday	Break off the point (9 ft)	Blade bait, Hair jig

Largemouth Bass fishing at Loon Lake

The spring pattern is a shallow one: largemouth bass in 2 to 10 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 6 to 21 ft for winter. The spot to know is Shallow bay flat, a weed flat in about 3 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	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 21 ft	midday	Break off the point (9 ft)	Blade bait, Jigging spoon

Bluegill fishing at Loon Lake

In spring, bluegill run shallow here, mostly 1 to 6 ft. Midsummer fish sit out in 4 to 15 ft before dropping to 6 to 21 ft for winter. Spring bluegill concentrate at Shallow bay flat, a prime-rated weed flat around 3 ft. Fish it in early morning and the evening and you'll meet the bite. 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 21 ft	midday	Deep basin (18 ft)	Tungsten ice jig + plastic, Tiny spoon

Pumpkinseed fishing at Loon Lake

Early season pumpkinseed use the shallows, holding in 1 to 8 ft. Summer is a 2 to 10 ft game here, winter a 6 to 18 ft one. The chart's best answer is Shallow bay flat — weed flat, 3 ft, prime for spring. Best bite is 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 (18 ft)	Tungsten ice jig + plastic, Tiny spoon

Loon 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

Count 6 structure marks on this chart. The deepest, Deep basin, sits near 18 ft.

Deep basin: deep basin, around 18 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 Lake Access 1 — shore access
Loon Lake Access 2 — shore access

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

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

Check the official Ontario fishing regulations →

Common questions

How deep is Loon Lake?

Loon Lake is about 21 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 Loon Lake?

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

Where is the best fishing spot on Loon 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. Open the map above to see every rated spot for each species and season.

When is the best time to fish Loon 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 Loon Lake?

Fishing on Loon 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

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

See how Loon 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.