Cod Lake Depth Map & Fishing Spots (ON)

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Lake depth chart

Cod Lake, ON

Max 60 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 Cod 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 Cod Lake on the board.

Fishing Cod Lake: what the data says

45-acre lake in Haliburton County, Ontario. The lake tops out around 60 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 season-by-season read for each species follows, from the map's own numbers.

Cod Lake maps at 45 acres behind 1.9 miles of shoreline. With a 2 development index there's bank structure worth casting at, in moderation. The shallow band under 15 ft claims about 70% of the surface — that's where the groceries are. Figure 0.6 mi of water from one end to the other, 0.3 mi at the beam. Haliburton County claims this one. Its nearest charted neighbour, Wilbur Lake, is 1 mi to the north.

Brook Trout fishing at Cod Lake

Early season brook trout use the shallows, holding in 2 to 15 ft. Summer is a 10 to 30 ft game here, winter a 3 to 20 ft one. The chart's best answer is Main-lake point — point, 3 ft, prime for spring. Best bite is early morning and the evening. Tie on a small spoon fished deep or a trolled lake-clear wobbler + worm and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Main-lake point (3 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	open water	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (3 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Shallow bay flat (1 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

5 pieces of structure are mapped here — Deep basin, around 58 ft, is the deepest of them.

Deep basin: deep basin, around 58 ft
Break off the point: drop-off, around 47 ft
Main-lake point: point, around 3 ft
Secondary point: point, around 1 ft
Shallow bay flat: weed flat, around 1 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Cod Lake?

Cod Lake is about 60 ft (18 m) deep at its deepest point. 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.

What fish are in Cod Lake?

Anglers target brook trout on Cod Lake.

Where is the best fishing spot on Cod Lake?

Main-lake point is the top-rated area: a point in about 3 ft of water that rates prime for brook trout in spring. The interactive chart above rates every spot for each species and season.

When is the best time to fish Cod 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 Cod Lake?

Fishing on Cod 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

Wilbur Lake 1 mi · Cache Road Lake 1 mi · Flaherty Lake 1 mi · Campcot Lake 2 mi · Clinto Lake 2 mi · Limburner Lake 2 mi · Gosling Lake 3 mi · McFadden Lake 3 mi · Oxtongue Lake 3 mi · Wilson Lake 3 mi · Fifteen Mile Lake 3 mi · Otter Lake 3 mi

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

More water nearby: Haliburton County fishing maps (295 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.