Druillettes L. 31 Depth Map & Fishing Spots (ON)

Skip to interactive depth chart

Lake depth chart

Druillettes L. 31, ON

Max 72 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

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

Spring bug season (brook trout lakes) · forageApr 25 – Jun 30 · in ~8 months

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.

Loading depth chart…

Recent catches at Druillettes L. 31

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 Druillettes L. 31 on the board.

Fishing Druillettes L. 31: what the data says

14-acre lake in Sudbury District, Ontario. The lake tops out around 72 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 a transect sounding survey by the Ontario MNRF. What the data behind the map says about each species, season by season:

On the chart, Druillettes L. 31 draws 13 acres inside 0.7 miles of shoreline. A shoreline index of 1.4 says round and simple: fish relate to depth changes here, not shoreline features. Roughly 40% of the water is 15 ft or less, the band where the food chain lives. You'll find it in Sudbury District. Closest neighbour on DepthScout: Lower Prairie Bee Lake, 2 mi south of here.

Brook Trout fishing at Druillettes L. 31

Spring puts brook trout in skinny water — 2 to 15 ft is the zone. As the season builds they drop to 10 to 30 ft, wintering in 3 to 20 ft. Summer brook trout concentrate at Break off the point, a prime-rated drop-off around 31 ft. Warm-month bites cluster around early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Main-lake point (11 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Break off the point (31 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (11 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	open water	Small jigging spoon, Tungsten jig + plastic

Northern Pike fishing at Druillettes L. 31

The spring pattern is a shallow one: northern pike in 2 to 8 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 5 to 15 ft for winter. The spot to know is Main-lake point, a point in about 11 ft of water that rates prime for northern pike in fall. Plan around early morning and the evening in the warm months. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 8 ft	midday & dawn	open water	#5 inline spinner, Spoon (red/white)
Summer	8 to 20 ft	dawn & dusk	Main-lake point (11 ft)	Bucktail, Weedless spoon over cabbage
Fall	6 to 18 ft	midday & dawn	Main-lake point (11 ft)	Big rubber (Bull Dawg style), Husky-style jerkbait
Winter	5 to 15 ft	midday	Main-lake point (11 ft)	Tip-ups, Large jigging spoon

Notable structure

Druillettes L. 31 carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 60 ft down.

Deep basin: deep basin, around 60 ft
Break off the point: drop-off, around 31 ft
Main-lake point: point, around 11 ft

Druillettes L. 31 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 Druillettes L. 31 specifically, so confirm the current rules before you fish.

Check the official Ontario fishing regulations →

Common questions

How deep is Druillettes L. 31?

Druillettes L. 31 is about 72 ft (22 m) deep at its deepest point. The depth data here comes from a transect sounding survey by the Ontario MNRF.

What fish are in Druillettes L. 31?

Anglers target brook trout, northern pike on Druillettes L. 31.

Where is the best fishing spot on Druillettes L. 31?

Main-lake point is the top-rated area: a point in about 11 ft of water that rates prime for northern pike in fall. Open the map above to see every rated spot for each species and season.

When is the best time to fish Druillettes L. 31?

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 Druillettes L. 31?

Fishing on Druillettes L. 31 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

Lower Prairie Bee Lake 2 mi · Prairie Bee Lake 3 mi · Windermere Lake 4 mi · Kathleen Lake 4 mi · Dorman Lake 5 mi · Little Wawa Lake 6 mi · Little Pine Lake 7 mi · Big Pine Lake 7 mi · Oxygen Lake 8 mi · Goldie Lake 8 mi · Square Lake 8 mi · Gilliland L. 31 8 mi

See how Druillettes L. 31 stacks up: best northern pike lakes in Ontario · 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. 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.