Dwyer Lake Depth Map & Fishing Spots (ON)

Skip to interactive depth chart

Lake depth chart

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

Loading depth chart…

Recent catches at Dwyer 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 Dwyer Lake on the board.

Fishing Dwyer Lake: what the data says

57-acre lake in Sudbury District, Ontario. The lake tops out around 40 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. The rest of this page walks each species through its year, using the map's own scoring.

Traced from the shoreline, Dwyer Lake runs 57 acres with 2.7 miles of edge. That shoreline is heavily fingered (development index 2.5) — bays, points and pockets everywhere, which multiplies the fishable edge. About 35% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone. End to end it runs roughly 0.7 mi, about 0.4 mi across. The water lies in Sudbury District. For a second option, Jake Lake lies 1 mi northeast.

Brook Trout fishing at Dwyer Lake

Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Warm water sends them out to 10 to 30 ft; cold water stacks them in 3 to 20 ft. Top water on the chart: Break off the point, a drop-off in the 18 ft range, prime in summer. Fish it in early morning and the evening and you'll meet the bite. Throw a small spoon fished deep or a trolled lake-clear wobbler + worm until the fish tell you otherwise.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Main-lake point (10 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Break off the point (18 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (10 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Break off the point (18 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

6 pieces of structure are mapped here — Deep basin, around 34 ft, is the deepest of them.

Deep basin: deep basin, around 34 ft
Break off the point: drop-off, around 18 ft
Main-lake point: point, around 10 ft
Secondary point: point, around 10 ft
Shallow bay flat: weed flat, around 5 ft
Back-bay flat: weed flat, around 5 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Dwyer Lake?

Dwyer Lake is about 40 ft (12 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 Dwyer Lake?

Anglers target brook trout on Dwyer Lake.

Where is the best fishing spot on Dwyer Lake?

Break off the point is the top-rated area: a drop-off in about 18 ft of water that rates prime for brook trout in summer. Scroll up to the map for the complete spot list by species and season.

When is the best time to fish Dwyer 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 Dwyer Lake?

Fishing on Dwyer 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

Jake Lake 1 mi · Murray Lake 2 mi · Sargesson Lake 4 mi · Washagami Lake 4 mi · Theriault Lake 5 mi · Spider Lake 6 mi · Carafel Lake 6 mi · Pine Lake 8 mi · Maskinonge Lake 8 mi · Ashigami Lake 8 mi · Kukagami Lake 9 mi · Silver Lake 10 mi

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

More water nearby: Sudbury District fishing maps (868 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.