Hart Lake Depth Map & Fishing Spots (Parry Sound District, ON)

Skip to interactive depth chart

Lake depth chart

Hart Lake, ON

Max 66 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.

Loading depth chart…

Recent catches at Hart 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 Hart Lake on the board.

Fishing Hart Lake: what the data says

50-acre lake in Parry Sound District, Ontario. The lake tops out around 66 ft. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. Species by species, here's what the data says the year looks like.

The drawn water covers 50 acres wrapped in 1.2 miles of bank. The basin is a simple one (shoreline index 1.2) — close to a bowl, so the structure on the chart matters more than the bank. The shallow band under 15 ft claims about 28% of the surface on the model — that's where the groceries are. The basin spans about 0.4 mi end to end and 0.3 mi across at its widest. Parry Sound District claims this one. If the bite dies, Little Bear L. is 0 mi to the west.

Smallmouth Bass fishing at Hart Lake

Spring smallmouth bass on Hart 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, 17 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	open water	Ned rig, Tube jig
Summer	10 to 30 ft	dawn & dusk	Break off the point (30 ft)	Drop shot (goby/minnow), Ned rig
Fall	8 to 25 ft	midday & dawn	Main-lake point (17 ft)	Jerkbait, Blade bait
Winter	20 to 45 ft	midday	Break off the point (30 ft)	Blade bait, Hair jig

Notable structure

Count 5 structure marks on this chart. The deepest, Deep basin, sits near 56 ft.

Deep basin: deep basin, around 56 ft
Break off the point: drop-off, around 30 ft
Main-lake point: point, around 17 ft
Secondary point: point, around 17 ft
Shallow bay flat: weed flat, around 6 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Hart Lake?

Hart Lake is about 66 ft (20 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 Hart Lake?

Anglers target smallmouth bass on Hart Lake.

Where is the best fishing spot on Hart Lake?

Main-lake point is the top-rated area: a point in about 17 ft of water that rates prime for smallmouth bass in fall. Scroll up to the map for the complete spot list by species and season.

When is the best time to fish Hart Lake?

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 Hart Lake?

Fishing on Hart 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

Little Bear L. 0 mi · Morgan's Lake 2 mi · Willie Lake 2 mi · Hoover L. 3 mi · Thirty Lake 3 mi · Fox Lake 3 mi · Blackie L. 3 mi · Little Hungry Lake 3 mi · Dump Lake 3 mi · Hungry Lake 3 mi · Upper Raft Lake 3 mi · Lower Raft Lake 4 mi

See how Hart Lake stacks up: best smallmouth bass 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.