Wideman Lake Depth Map & Fishing Spots (ON)

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 interpolated from real agency depth surveys (state DNR / USACE). Never use for navigation. Always check local regulations.

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Recent catches at Wideman 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 Wideman Lake on the board.

Fishing Wideman Lake: what the data says

70-acre lake in Thunder Bay District, Ontario. The lake tops out around 40 ft. The depth data here comes from a transect sounding survey by the Ontario MNRF. Every species below gets its seasonal read from the same numbers driving the chart.

On the chart, Wideman Lake draws 70 acres inside 2 miles of shoreline. Index 1.7 on the shoreline: a few honest points and pockets, nothing labyrinthine. Roughly 49% of the water is 15 ft or less, the band where the food chain lives. The basin spans about 0.6 mi end to end and 0.3 mi across at its widest. The water lies in Thunder Bay District. For a second option, Hunters Lakes lies 1 mi southeast.

Brook Trout fishing at Wideman Lake

The spring pattern is a shallow one: brook trout in 2 to 15 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 3 to 20 ft for winter. The spot to know is Break off the point, a drop-off in about 20 ft of water that rates prime for brook trout in summer. Plan around early morning and the evening in the warm months. 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 (12 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Break off the point (20 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (12 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Break off the point (20 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

Count 6 structure marks on this chart. The deepest, Deep basin, sits near 38 ft.

Deep basin: deep basin, around 38 ft
Break off the point: drop-off, around 20 ft
Main-lake point: point, around 12 ft
Shallow bay flat: weed flat, around 7 ft
Secondary point: point, around 5 ft
Back-bay flat: weed flat, around 5 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Wideman Lake?

Wideman Lake is about 40 ft (12 m) deep at its deepest point. The depth data here comes from a transect sounding survey by the Ontario MNRF.

What fish are in Wideman Lake?

Anglers target brook trout on Wideman Lake.

Where is the best fishing spot on Wideman Lake?

Break off the point is the top-rated area: a drop-off in about 20 ft of water that rates prime for brook trout in summer. Open the map above to see every rated spot for each species and season.

When is the best time to fish Wideman 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 Wideman Lake?

Fishing on Wideman 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

Hunters Lakes 1 mi · Bisect Lake 1 mi · Elbow Lake 2 mi · Nalla Lake 2 mi · Upper Hunters Lake 2 mi · Question Mark Lake 2 mi · Tartan Lake 2 mi · Moose Lake 3 mi · Loon Lake 3 mi · Lost Lake 3 mi · Mackenzie Lake 3 mi · Sward Lake 4 mi

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

More water nearby: Thunder Bay District fishing maps (662 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. 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.