Tilles Lake Depth Map & Fishing Spots (ON)

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Lake depth chart

Tilles Lake, ON

Max 40 ft

Today's read

Where to start

Fall shiner run window is on — see the hatch outlook

Hatch outlook

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 Tilles 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 Tilles Lake on the board.

Fishing Tilles Lake: what the data says

22-acre lake in Parry Sound District, Ontario. The lake tops out around 40 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. Every species below gets its seasonal read from the same numbers driving the chart.

Drawn out, this is 22 acres of water rimmed by 1.3 miles of bank. The shoreline is moderately structured (index 2) — enough points and pockets to pattern. 61% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. Call it 0.6 mi long by 0.2 mi wide at the broadest reach. The water lies in Parry Sound District. Closest neighbour on DepthScout: Pine Lake, 4 mi west of here.

Yellow Perch fishing at Tilles Lake

Come spring, look for yellow perch tight to the bank in 3 to 12 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 15 to 35 ft. Start at Shallow bay flat. It's a weed flat holding about 5 ft of water and rates prime come spring. Prime time lands in early morning. A drop-shot micro plastics or a small spoon tipped with worm is the honest summer answer here.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 12 ft	midday & dawn	Shallow bay flat (5 ft)	Small jig + curly tail, Perch-pattern micro crank
Summer	10 to 30 ft	dawn	Break off the point (18 ft)	Drop-shot micro plastics, Small spoon tipped with worm
Fall	12 to 35 ft	midday	Deep basin (34 ft)	Jigging spoon (small), Perch rig / spreader
Winter	15 to 35 ft	midday & dawn	Deep basin (34 ft)	Tungsten jig + spikes, Rattle spoon (small)

Notable structure

Tilles Lake carries 5 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 34 ft down.

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

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

Check the official Ontario fishing regulations →

Common questions

How deep is Tilles Lake?

Tilles 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 Tilles Lake?

Anglers target yellow perch on Tilles Lake.

Where is the best fishing spot on Tilles Lake?

Shallow bay flat is the top-rated area: a weed flat in about 5 ft of water that rates prime for yellow perch in spring. Every other rated spot, per species and season, is on the map above.

When is the best time to fish Tilles Lake?

For yellow perch, 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 Tilles Lake?

Fishing on Tilles 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

Pine Lake 4 mi · Commanda Lake 4 mi · Schell Lake 4 mi · Slush Lake 5 mi · Lower Merrick Lake 5 mi · Rausch Lake 5 mi · Barton Lake 5 mi · Round Lake 5 mi · North Boundary Lake 6 mi · Mandeville Lake 7 mi · McQuaby Lake 7 mi · Pickerel Lake 8 mi

See how Tilles Lake stacks up: best yellow perch lakes in Ontario

More water nearby: Parry Sound District fishing maps (441 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.