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

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Lake depth chart

Peter Lake, ON

Max 40 ft

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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

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

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 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 Peter 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 Peter Lake on the board.

Fishing Peter Lake: what the data says

60-acre lake in Algoma District, 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. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (an MNRF lake survey). What follows comes from the same scoring engine that paints the spots above.

On the chart, Peter Lake draws 60 acres inside 1.2 miles of shoreline. Nearly circular (index 1.1), so the story is the bottom, not the bank. The shallow band under 15 ft claims about 60% of the surface — that's where the groceries are. Figure 0.5 mi of water from one end to the other, 0.3 mi at the beam. The water lies in Algoma District. For a second option, Edith L. lies 1 mi west.

Yellow Perch fishing at Peter Lake

Early season yellow perch use the shallows, holding in 3 to 12 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 15 to 35 ft. Put Break off the point first on the milk run — a drop-off near 20 ft that grades prime for summer. In summer the feeding windows fall in early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 12 ft	midday & dawn	Shallow bay flat (1 ft)	Small jig + curly tail, Perch-pattern micro crank
Summer	10 to 30 ft	dawn	Break off the point (20 ft)	Drop-shot micro plastics, Small spoon tipped with worm
Fall	12 to 35 ft	midday	Break off the point (20 ft)	Jigging spoon (small), Perch rig / spreader
Winter	15 to 35 ft	midday & dawn	Deep basin (40 ft)	Tungsten jig + spikes, Rattle spoon (small)

Notable structure

The chart marks 5 structure features on Peter Lake; the deepest is Deep basin at about 40 ft.

Deep basin: deep basin, around 40 ft
Break off the point: drop-off, around 20 ft
Main-lake point: point, around 5 ft
Shallow bay flat: weed flat, around 1 ft
Back-bay flat: weed flat, around 1 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Peter Lake?

Peter Lake is about 40 ft (12 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (an MNRF lake survey).

What fish are in Peter Lake?

Anglers target yellow perch on Peter Lake.

Where is the best fishing spot on Peter Lake?

Break off the point is the top-rated area: a drop-off in about 20 ft of water that rates prime for yellow perch in summer. Every other rated spot, per species and season, is on the map above.

When is the best time to fish Peter Lake?

For yellow perch, the summer bite is best in early morning. 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 Peter Lake?

Fishing on Peter 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

Edith L. 1 mi · Tower Lake 2 mi · Hart Lake 2 mi · Two Horse Lake 2 mi · Lonely Lake 2 mi · Iron Lake 3 mi · One Horse Lake 3 mi · Bass Lake 3 mi · McCarrel Lake 4 mi · McMahon Lake 4 mi · Cloudy Lake 5 mi · Diamond Lake 5 mi

See how Peter Lake stacks up: best yellow perch 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.