L. 12F-6 Depth Map & Fishing Spots (ON)

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Lake depth chart

L. 12F-6, ON

Max 76 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

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 L. 12F-6

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 L. 12F-6 on the board.

Fishing L. 12F-6: what the data says

32-acre lake in Cochrane District, Ontario. The lake tops out around 76 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. The season-by-season read for each species follows, from the map's own numbers.

Traced from the shoreline, L. 12F-6 runs 31 acres with 0.9 miles of edge. At index 1.1 the outline is almost a bowl — read the depth changes, not the shoreline. Roughly 13% of the water is 15 ft or less as modeled, the band where the food chain lives. Call it 0.3 mi long by 0.3 mi wide at the broadest reach. The water lies in Cochrane District. Closest neighbour on DepthScout: Hall Lake, 0 mi southwest of here.

Smallmouth Bass fishing at L. 12F-6

The spring pattern is a shallow one: smallmouth bass in 3 to 12 ft. As the season builds they drop to 10 to 30 ft, wintering in 20 to 45 ft. Top water on the chart: Shoreline break, a drop-off in the 34 ft range, prime in winter. Time it for early morning and the evening. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 12 ft	dawn & dusk	open water	Ned rig, Tube jig
Summer	10 to 30 ft	dawn & dusk	Shoreline break (34 ft)	Drop shot (goby/minnow), Ned rig
Fall	8 to 25 ft	midday & dawn	Shoreline break (34 ft)	Jerkbait, Blade bait
Winter	20 to 45 ft	midday	Shoreline break (34 ft)	Blade bait, Hair jig

Notable structure

4 pieces of structure are mapped here — Deep basin, around 65 ft, is the deepest of them.

Deep basin: deep basin, around 65 ft
Shoreline break: drop-off, around 34 ft
Shallow bay flat: feeding flat, around 6 ft
Back-bay flat: feeding flat, around 6 ft

L. 12F-6 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 L. 12F-6 specifically, so confirm the current rules before you fish.

Check the official Ontario fishing regulations →

Common questions

How deep is L. 12F-6?

L. 12F-6 is about 76 ft (23 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 L. 12F-6?

Anglers target smallmouth bass on L. 12F-6.

Where is the best fishing spot on L. 12F-6?

Shoreline break is the top-rated area: a drop-off in about 34 ft of water that rates prime for smallmouth bass in winter. The interactive chart above rates every spot for each species and season.

When is the best time to fish L. 12F-6?

For smallmouth bass, 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 L. 12F-6?

Fishing on L. 12F-6 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

Hall Lake 0 mi · Carman Lake 1 mi · L. 12F-12 1 mi · Beth Lake 1 mi · Froude L. 3 mi · Redpine L. 4 mi · Else L. 4 mi · O'Malley Lake 4 mi · Reaume Lake 5 mi · Crickard Lake 5 mi · Dunn Lake 5 mi · Bradette Lake 5 mi

See how L. 12F-6 stacks up: best smallmouth bass lakes in Ontario

More water nearby: Cochrane District fishing maps (673 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.