Twab Lake Depth Map & Fishing Spots (ON)

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Lake depth chart

Twab Lake, ON

Max 46 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

Rainbow smelt run · baitfishApr 1 – May 25 · in ~7 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 on this water are approximations. Never use for navigation. Always check local regulations.

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Recent catches at Twab 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 Twab Lake on the board.

Fishing Twab Lake: what the data says

68-acre lake in Algoma District, Ontario. The lake tops out around 46 ft. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. Here's the year, species by species, as the scoring engine sees it.

The drawn water covers 70 acres wrapped in 2.2 miles of bank. A middling shoreline index (1.8) gives it some bays to work without being a maze. About 57% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone. Call it 0.6 mi long by 0.5 mi wide at the broadest reach. Algoma District claims this one. Hawk Lake sits 0 mi northeast — the closest neighbouring chart.

Lake Trout fishing at Twab Lake

Early season lake trout use the shallows, holding in 10 to 40 ft. Summer is a 14 to 46 ft game here, winter a 12 to 46 ft one. The chart's best answer is Deep basin — deep basin, 39 ft, prime for summer. Best bite is early morning. Tie on a white tube jig (deep) or a magnum spoon on downrigger and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	10 to 40 ft	dawn & dusk	Main-lake point (12 ft)	Casting spoon over shoals, Jerkbait (shallow)
Summer	14 to 46 ft	dawn	Deep basin (39 ft)	White tube jig (deep), Magnum spoon on downrigger
Fall	9 to 46 ft	dusk & dawn	Main-lake point (12 ft)	Heavy casting spoon, Jigging rap over reefs
Winter	12 to 46 ft	dawn	Deep basin (39 ft)	White tube jig, Airplane jig

Smallmouth Bass fishing at Twab Lake

Spring smallmouth bass on Twab Lake hold shallow, usually 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 20 to 45 ft. The chart's best answer is Main-lake point — point, 12 ft, prime for fall. Prime time lands in early morning and the evening. The summer box starts with a drop shot (goby/minnow) or a ned rig.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 12 ft	dawn & dusk	Main-lake point (12 ft)	Ned rig, Tube jig
Summer	10 to 30 ft	dawn & dusk	Break off the point (21 ft)	Drop shot (goby/minnow), Ned rig
Fall	8 to 25 ft	midday & dawn	Main-lake point (12 ft)	Jerkbait, Blade bait
Winter	20 to 45 ft	midday	Break off the point (21 ft)	Blade bait, Hair jig

Burbot fishing at Twab Lake

Early season burbot use the shallows, holding in 14 to 46 ft. Even in summer they hold at 14 to 46 ft; winter keeps them in 12 to 46 ft. The chart's best answer is Deep basin — deep basin, 39 ft, prime for spring. Best bite is after dark and midday. Tie on a heavy jig + cut bait and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	14 to 46 ft	night & dusk	Deep basin (39 ft)	Glow jigging spoon + cut bait, Rattle bait (dark)
Summer	14 to 46 ft	night & midday	Deep basin (39 ft)	Heavy jig + cut bait
Fall	14 to 46 ft	night & dusk	Deep basin (39 ft)	Glow spoon + minnow head, Blade bait (slow)
Winter	12 to 46 ft	night & dusk	Deep basin (39 ft)	Glow tungsten + cut bait, Rattle spoon + minnow head

Notable structure

Twab Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 39 ft down.

Deep basin: deep basin, around 39 ft
Break off the point: drop-off, around 21 ft
Main-lake point: point, around 12 ft
Secondary point: point, around 12 ft
Shallow bay flat: weed flat, around 6 ft
Back-bay flat: weed flat, around 6 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Twab Lake?

Twab Lake is about 46 ft (14 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 Twab Lake?

Anglers target lake trout, smallmouth bass, burbot on Twab Lake.

Where is the best fishing spot on Twab Lake?

Deep basin is the top-rated area: a deep basin in about 39 ft of water that rates prime for lake trout in summer. The interactive chart above rates every spot for each species and season.

When is the best time to fish Twab Lake?

For lake trout, 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 Twab Lake?

Fishing on Twab 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

Hawk Lake 0 mi · Wolfe Lake 1 mi · Leachman Lake 2 mi · Prugh Lake 2 mi · Achigan Lake 3 mi · Tupper Lake 4 mi · Pickard Lake 4 mi · Bojack Lake 4 mi · Bone Lake 5 mi · Ogidaki Lake 5 mi · Weckstrom Lake 6 mi · Evans Lake 6 mi

See how Twab Lake stacks up: best smallmouth bass lakes in Ontario · best lake trout lakes in Ontario · best burbot lakes in Ontario

More water nearby: Algoma District fishing maps (1026 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.