Trailbreaker Lake Depth Map & Fishing Spots (ON)

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Lake depth chart

Trailbreaker Lake, ON

Max 44 ft

Today's read

Where to start

Fall shiner run window is on — see the hatch outlook

Hatch outlook

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

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 Trailbreaker 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 Trailbreaker Lake on the board.

Fishing Trailbreaker Lake: what the data says

156-acre lake in Sudbury District, Ontario. The lake tops out around 44 ft. This chart interpolates between a real shoreline and a known maximum depth. It will point you at likely water, but it is not a navigation product. The season-by-season read for each species follows, from the map's own numbers.

The outline encloses 156 acres, worked by 3.7 miles of shoreline. With a 2.1 development index there's bank structure worth casting at, in moderation. 61% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. The basin spans about 1 mi end to end and 0.8 mi across at its widest. It sits in Sudbury District. If the bite dies, Heenan L. 18 is 1 mi to the north.

Northern Pike fishing at Trailbreaker Lake

When the water first warms, northern pike slide up into 2 to 8 ft. Summer is an 8 to 20 ft game here, winter a 5 to 15 ft one. Start at Shallow bay flat. It's a weed flat holding about 5 ft of water and rates prime come spring. The feeding windows run early morning and the evening. Keep a bucktail or a weedless spoon over cabbage rigged through the warm months.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 8 ft	midday & dawn	Shallow bay flat (5 ft)	#5 inline spinner, Spoon (red/white)
Summer	8 to 20 ft	dawn & dusk	Break off the point (20 ft)	Bucktail, Weedless spoon over cabbage
Fall	6 to 18 ft	midday & dawn	Shallow bay flat (5 ft)	Big rubber (Bull Dawg style), Husky-style jerkbait
Winter	5 to 15 ft	midday	Shallow bay flat (5 ft)	Tip-ups, Large jigging spoon

Notable structure

Count 6 structure marks on this chart. The deepest, Deep basin, sits near 37 ft.

Deep basin: deep basin, around 37 ft
Break off the point: drop-off, around 20 ft
Main-lake point: point, around 11 ft
Secondary point: point, around 11 ft
Shallow bay flat: weed flat, around 5 ft
Back-bay flat: weed flat, around 5 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Trailbreaker Lake?

Trailbreaker Lake is about 44 ft (13 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 Trailbreaker Lake?

Anglers target northern pike on Trailbreaker Lake.

Where is the best fishing spot on Trailbreaker Lake?

Shallow bay flat is the top-rated area: a weed flat in about 5 ft of water that rates prime for northern pike in spring. Scroll up to the map for the complete spot list by species and season.

When is the best time to fish Trailbreaker Lake?

For northern pike, the summer bite is best in early morning and the evening. 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 Trailbreaker Lake?

Fishing on Trailbreaker 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

Heenan L. 18 1 mi · October Lake 2 mi · Garnet L. 895887 3 mi · September Lake 4 mi · Crossley Lake 4 mi · Pepperbell Lake 5 mi · Bayly Lake 6 mi · Coppell Lake 7 mi · Cunningham L. 793844 9 mi · Whigham Lake 41 11 mi · Rollo Lake 11 mi · Marta Lake 12 mi

See how Trailbreaker Lake stacks up: best northern pike lakes in Ontario

More water nearby: Sudbury District fishing maps (868 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.