Mud Lake Depth Map & Fishing Spots (Simcoe County, ON)

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Lake depth chart

Mud Lake, ON

Max 8 ft

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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 Mud 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 Mud Lake on the board.

Fishing Mud Lake: what the data says

376-acre lake in Simcoe County, Ontario. The lake tops out around 8 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. Here's the year, species by species, as the scoring engine sees it.

Traced from the shoreline, Mud Lake runs 376 acres with 3.3 miles of edge. Its 1.2 shoreline index means few bank features; the contours below do the pattern work. All of it is shallow-zone water — under ~15 ft across the entire basin, so the food chain has the run of the place. The basin spans about 1.3 mi end to end and 0.7 mi across at its widest. You'll find it in Simcoe County. Closest neighbour on DepthScout: Lake St. John, 2 mi northwest of here.

Walleye fishing at Mud Lake

Come spring, look for walleye tight to the bank in 2 to 8 ft. Through summer count on 2 to 8 ft; the winter hold is 2 to 8 ft. Start at Break off the point. It's a drop-off holding about 4 ft of water and rates prime come fall. Prime time lands in 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	2 to 8 ft	dusk & dawn	Main-lake point (8 ft)	1/8 oz jig + minnow, Hair jig
Summer	2 to 8 ft	dusk & dawn	Break off the point (4 ft)	Crawler harness on bottom bouncer, Deep crankbait (trolled)
Fall	2 to 8 ft	dusk & night	Break off the point (4 ft)	Jigging rap, Jig + big minnow
Winter	2 to 8 ft	dusk & dawn	Deep basin (7 ft)	Jigging spoon + minnow head, Rattle bait

Yellow Perch fishing at Mud Lake

Come spring, look for yellow perch tight to the bank in 2 to 8 ft. Through summer count on 2 to 8 ft; the winter hold is 2 to 8 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	2 to 8 ft	midday & dawn	Shallow bay flat (3 ft)	Small jig + curly tail, Perch-pattern micro crank
Summer	2 to 8 ft	dawn	Deep basin (7 ft)	Drop-shot micro plastics, Small spoon tipped with worm
Fall	2 to 8 ft	midday	Deep basin (7 ft)	Jigging spoon (small), Perch rig / spreader
Winter	2 to 8 ft	midday & dawn	Deep basin (7 ft)	Tungsten jig + spikes, Rattle spoon (small)

Northern Pike fishing at Mud Lake

Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. They don't go far with the seasons — 2 to 8 ft covers summer, 2 to 8 ft covers winter. 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	2 to 8 ft	dawn & dusk	Shallow bay flat (3 ft)	Bucktail, Weedless spoon over cabbage
Fall	2 to 8 ft	midday & dawn	Shallow bay flat (3 ft)	Big rubber (Bull Dawg style), Husky-style jerkbait
Winter	2 to 8 ft	midday	Shallow bay flat (3 ft)	Tip-ups, Large jigging spoon

Muskellunge fishing at Mud Lake

In spring, muskellunge run shallow here, mostly 2 to 8 ft. Summer keeps them at 2 to 8 ft, and they winter in 2 to 8 ft. Fall muskellunge concentrate at Break off the point, a prime-rated drop-off around 4 ft. Fish it in the evening and early morning and you'll meet the bite. 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	2 to 8 ft	dusk	Shallow bay flat (3 ft)	Smaller bucktail (#8 blades), 6" glide bait
Summer	2 to 8 ft	dusk & dawn	Main-lake point (8 ft)	Double-10 bucktail, Topwater (walk-the-dog / creeper)
Fall	2 to 8 ft	midday & dusk	Break off the point (4 ft)	Big rubber (Bull Dawg style), 10"+ glide bait
Winter	2 to 8 ft	midday	Deep basin (7 ft)	Large rubber, crawled slow

Smallmouth Bass fishing at Mud Lake

Start shallow in spring: smallmouth bass sit in 2 to 8 ft that time of year. They don't go far with the seasons — 2 to 8 ft covers summer, 2 to 8 ft covers winter. 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	2 to 8 ft	dawn & dusk	Main-lake point (8 ft)	Ned rig, Tube jig
Summer	2 to 8 ft	dawn & dusk	Break off the point (4 ft)	Drop shot (goby/minnow), Ned rig
Fall	2 to 8 ft	midday & dawn	Main-lake point (8 ft)	Jerkbait, Blade bait
Winter	2 to 8 ft	midday	Break off the point (4 ft)	Blade bait, Hair jig

Largemouth Bass fishing at Mud Lake

The spring pattern is a shallow one: largemouth bass in 2 to 8 ft. The depth story barely changes: 2 to 8 ft through summer, 2 to 8 ft in 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 8 ft	dawn & dusk	Shallow bay flat (3 ft)	Spinnerbait, Chatterbait
Summer	2 to 8 ft	dawn & dusk	Shallow bay flat (3 ft)	Texas-rigged 10" worm, Deep-diving crankbait
Fall	2 to 8 ft	midday & dawn	Main-lake point (8 ft)	Squarebill crankbait (shad), Spinnerbait
Winter	2 to 8 ft	midday	Break off the point (4 ft)	Blade bait, Jigging spoon

Mud Lake also holds rock bass (2 to 8 ft in summer), pumpkinseed (2 to 8 ft in summer), brown bullhead (2 to 8 ft in summer). Pick any of them on the map above for rated spots and bait picks.

Notable structure

The chart marks 6 structure features on Mud Lake; the deepest is Main-lake point at about 8 ft.

Main-lake point: point, around 8 ft
Secondary point: point, around 8 ft
Deep basin: deep basin, around 7 ft
Break off the point: drop-off, around 4 ft
Shallow bay flat: weed flat, around 3 ft
Back-bay flat: weed flat, around 3 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Mud Lake?

Mud Lake is about 8 ft (2 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 Mud Lake?

Anglers target walleye, yellow perch, northern pike, muskellunge, smallmouth bass, largemouth bass, rock bass, pumpkinseed, brown bullhead on Mud Lake.

Where is the best fishing spot on Mud Lake?

Break off the point is the top-rated area: a drop-off in about 4 ft of water that rates prime for walleye in fall. Every other rated spot, per species and season, is on the map above.

When is the best time to fish Mud Lake?

For walleye, the summer bite is best in the evening and 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 Mud Lake?

Fishing on Mud 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

Lake St. John 2 mi · Lake Couchiching 4 mi · Young Lake 8 mi · Grass Lake 8 mi · Buck Lake 9 mi · Dalrymple Lake 9 mi · Clearwater Lake 10 mi · Beaver Lake 10 mi · Sparrow Lake 11 mi · Bass Lake 11 mi · Long Lake 12 mi · Riley Lake 13 mi

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

More water nearby: Simcoe County fishing maps (31 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.