Horn Lake Depth Map & Fishing Spots (Cochrane District, ON)

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Lake depth chart

Horn Lake, ON

Max 22 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 on this water are approximations. Never use for navigation. Always check local regulations.

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Recent catches at Horn 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 Horn Lake on the board.

Fishing Horn Lake: what the data says

5-acre lake in Cochrane District, Ontario. The lake tops out around 22 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. The season-by-season read for each species follows, from the map's own numbers.

On the chart, Horn Lake draws 5 acres inside 0.5 miles of shoreline. Index 1.6 on the shoreline: a few honest points and pockets, nothing labyrinthine. Roughly 77% of the water is 15 ft or less as modeled, the band where the food chain lives. You'll find it in Cochrane District. For a second option, Fogg Lake lies 0 mi northwest.

Brook Trout fishing at Horn Lake

The spring pattern is a shallow one: brook trout in 2 to 15 ft. As the season builds they drop to 7 to 22 ft, wintering in 3 to 20 ft. Top water on the chart: Deep basin, a deep basin in the 19 ft range, prime in summer. Time it for early morning and the evening. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Main-lake point (8 ft)	Small inline spinner (gold), Tiny spoon
Summer	7 to 22 ft	dawn & dusk	Deep basin (19 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (8 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Deep basin (19 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

Horn Lake carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 19 ft down.

Deep basin: deep basin, around 19 ft
Break off the point: drop-off, around 10 ft
Main-lake point: point, around 8 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Horn Lake?

Horn Lake is about 22 ft (7 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 Horn Lake?

Anglers target brook trout on Horn Lake.

Where is the best fishing spot on Horn Lake?

Deep basin is the top-rated area: a deep basin in about 19 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 Horn 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 Horn Lake?

Fishing on Horn 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

Fogg Lake 0 mi · Arrow Lake 1 mi · Bow Lake 1 mi · Heart Lake 2 mi · Centre Triple Lake 2 mi · Warner Lake 3 mi · Gibson Lake 3 mi · Sheraton Lake 3 mi · Little Club Lake 4 mi · Long Lake 5 mi · Round Lake 6 mi · Birch Lake 6 mi

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

More water nearby: Cochrane District fishing maps (673 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.