Deep Lake Depth Map & Fishing Spots (Renfrew County, ON)

Skip to interactive depth chart

Lake depth chart

Deep Lake, ON

Max 40 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.

Loading depth chart…

Recent catches at Deep 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 Deep Lake on the board.

Fishing Deep Lake: what the data says

9-acre lake in Renfrew County, Ontario. The lake tops out around 40 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. What follows comes from the same scoring engine that paints the spots above.

The drawn water covers 9 acres wrapped in 0.5 miles of bank. Its 1.2 shoreline index means few bank features; the contours below do the pattern work. Roughly 77% of the water is 15 ft or less, the band where the food chain lives. It sits in Renfrew County. Its nearest charted neighbour, Yukes Lake, is 1 mi to the south.

Brook Trout fishing at Deep Lake

Early season brook trout use the shallows, holding in 2 to 15 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 3 to 20 ft. Put Shoreline break first on the milk run — a drop-off near 5 ft that grades prime for winter. In summer the feeding windows fall in 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	Shoreline break (5 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Shoreline break (5 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	open water	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Shoreline break (5 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

Deep Lake carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 36 ft down.

Deep basin: deep basin, around 36 ft
Shoreline break: drop-off, around 5 ft
Shallow bay flat: weed flat, around 1 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Deep Lake?

Deep Lake is about 40 ft (12 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 Deep Lake?

Anglers target brook trout on Deep Lake.

Where is the best fishing spot on Deep Lake?

Shoreline break is the top-rated area: a drop-off in about 5 ft of water that rates prime for brook trout in winter. The map above holds the full rated-spot list for every species and season.

When is the best time to fish Deep 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 Deep Lake?

Fishing on Deep 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

Yukes Lake 1 mi · Lorwall Lake 1 mi · Hartwick Lake 2 mi · Britches Lake 2 mi · Buckskin Lake 2 mi · Buck Lake 2 mi · Britchless Lake 3 mi · Kellys Lake 4 mi · Little Eneas Lake 4 mi · Bolands Lake 4 mi · Big Eneas Lake 4 mi · Charlotte Lake 4 mi

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

More water nearby: Renfrew County fishing maps (298 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.