Gerow Lake Depth Map & Fishing Spots (ON)

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Lake depth chart

Gerow Lake, ON

Max 17 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 Gerow 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 Gerow Lake on the board.

Fishing Gerow Lake: what the data says

31-acre lake in Parry Sound District, Ontario. The lake tops out around 17 ft. Contours on this water are modeled from its actual shoreline and max depth. Good for finding likely water, never for navigation. Here is how the season plays out for each species, straight from the data behind the map.

The drawn water covers 31 acres wrapped in 1 miles of bank. The basin is a simple one (shoreline index 1.3) — close to a bowl, so the structure on the chart matters more than the bank. Roughly 74% of the water is 15 ft or less as modeled, the band where the food chain lives. End to end it runs roughly 0.3 mi, about 0.2 mi across. Parry Sound District claims this one. If the bite dies, Dyson Lake is 1 mi to the east.

Smallmouth Bass fishing at Gerow Lake

Come spring, look for smallmouth bass tight to the bank in 3 to 12 ft. Expect a summer slide to 5 to 17 ft, then a winter hold in 5 to 17 ft. Start at Main-lake point. It's a point holding about 8 ft of water and rates prime come fall. Prime time lands in early morning and the evening. A drop shot (goby/minnow) or a ned rig is the honest summer answer here.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 12 ft	dawn & dusk	Main-lake point (8 ft)	Ned rig, Tube jig
Summer	5 to 17 ft	dawn & dusk	Break off the point (8 ft)	Drop shot (goby/minnow), Ned rig
Fall	5 to 17 ft	midday & dawn	Main-lake point (8 ft)	Jerkbait, Blade bait
Winter	5 to 17 ft	midday	Break off the point (8 ft)	Blade bait, Hair jig

Notable structure

4 pieces of structure are mapped here — Deep basin, around 14 ft, is the deepest of them.

Deep basin: deep basin, around 14 ft
Main-lake point: point, around 8 ft
Break off the point: drop-off, around 8 ft
Shallow bay flat: weed flat, around 3 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Gerow Lake?

Gerow Lake is about 17 ft (5 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 Gerow Lake?

Anglers target smallmouth bass on Gerow Lake.

Where is the best fishing spot on Gerow Lake?

Main-lake point is the top-rated area: a point in about 8 ft of water that rates prime for smallmouth bass in fall. The interactive chart above rates every spot for each species and season.

When is the best time to fish Gerow 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 Gerow Lake?

Fishing on Gerow 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

Dyson Lake 1 mi · Pickering Lake 1 mi · Little Lake Joseph 1 mi · Mirror Lake 1 mi · Hammell Lake 2 mi · Draper Lake 2 mi · Fair Lake 2 mi · Bruce Lake 2 mi · Dick Lake 2 mi · Sucker Lake 3 mi · Carter Lake 3 mi · Lake Joseph 3 mi

See how Gerow 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.