Trap Lake Depth Map & Fishing Spots (Algoma District, ON)

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Lake depth chart

Trap Lake, ON

Max 79 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

Next on this water

Spring bug season (brook trout lakes) · forageApr 25 – Jun 30 · in ~8 months

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

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours here are generated from real agency depth surveys; use the survey badge for the provider, dataset, datum and measured coverage. Never use for navigation. Always check local regulations.

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Recent catches at Trap 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 Trap Lake on the board.

Fishing Trap Lake: what the data says

61-acre lake in Algoma District, Ontario. The lake tops out around 79 ft. The depth chart comes from Ontario Ministry of Natural Resources and Forestry bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The depth data here comes from the Ontario MNRF survey of 1988 (an MNRF lake survey). The rest of this page walks each species through its year, using the map's own scoring.

Trap Lake maps at 61 acres behind 2 miles of shoreline. A middling shoreline index (1.9) gives it some bays to work without being a maze. Roughly 53% of the water is 15 ft or less, the band where the food chain lives. Tip to tip the water measures near 0.6 mi with a 0.3-mi widest point. Algoma District claims this one. Pilon Lake sits 1 mi west — the closest neighbouring chart.

Brook Trout fishing at Trap Lake

Come spring, look for brook trout tight to the bank in 2 to 15 ft. They move out to 10 to 30 ft in summer and finish the year down in 3 to 20 ft. If you only fish one area, make it Break off the point: a drop-off around 16 ft that scores prime in summer. Best bite is early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm is the honest summer answer here.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Main-lake point (2 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Break off the point (16 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (2 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Break off the point (16 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

Trap Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 63 ft down.

Deep basin: deep basin, around 63 ft
Break off the point: drop-off, around 16 ft
Main-lake point: point, around 2 ft
Secondary point: point, around 1 ft
Shallow bay flat: weed flat, around 1 ft
Back-bay flat: weed flat, around 1 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Trap Lake?

Trap Lake is about 79 ft (24 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1988 (an MNRF lake survey).

What fish are in Trap Lake?

Anglers target brook trout on Trap Lake.

Where is the best fishing spot on Trap Lake?

Break off the point is the top-rated area: a drop-off in about 16 ft of water that rates prime for brook trout in summer. The map above holds the full rated-spot list for every species and season.

When is the best time to fish Trap Lake?

For brook trout, 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 Trap Lake?

Fishing on Trap 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

Pilon Lake 1 mi · Wiggly Lake 1 mi · Bear Lake 2 mi · Tarsan Lake 3 mi · Caribou Lake 3 mi · Speck Lake 3 mi · McCool Lake 4 mi · Lockeyer Lake 27 4 mi · Weasel Lake 4 mi · Whiskey Lake 4 mi · Conley Lake 4 mi · Whitefish Lake 5 mi

See how Trap Lake stacks up: best brook trout lakes in Ontario

More water nearby: Algoma District fishing maps (1026 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry: published agency survey data. 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.