Lower Bass Lake Depth Map & Fishing Spots (ON)

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Lake depth chart

Lower Bass Lake, ON

Max 70 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 Lower Bass 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 Lower Bass Lake on the board.

Fishing Lower Bass Lake: what the data says

272-acre lake in Nipissing District, Ontario. The lake tops out around 70 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. What the data behind the map says about each species, season by season:

On the chart, Lower Bass Lake draws 272 acres inside 5 miles of shoreline — one island included. An index of 2.2 puts the bank firmly in maze territory: point after pocket after cove, every one a casting target. Roughly 35% of the water is 15 ft or less as modeled, the band where the food chain lives. End to end it runs roughly 1.2 mi, about 1 mi across. The water lies in Nipissing District. The nearest mapped water is Redbark Lake, 2 mi to the east.

Lake Trout fishing at Lower Bass Lake

Spring puts lake trout in skinny water — 10 to 40 ft is the zone. As the season builds they drop to 21 to 70 ft, wintering in 18 to 70 ft. Summer lake trout concentrate at Deep basin, a prime-rated deep basin around 60 ft. Warm-month bites cluster around early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.

Season	Depth	Best window	Start at	Go-to baits
Spring	10 to 40 ft	dawn & dusk	Main-lake point (18 ft)	Casting spoon over shoals, Jerkbait (shallow)
Summer	21 to 70 ft	dawn	Deep basin (60 ft)	White tube jig (deep), Magnum spoon on downrigger
Fall	10 to 50 ft	dusk & dawn	Main-lake point (18 ft)	Heavy casting spoon, Jigging rap over reefs
Winter	18 to 70 ft	dawn	Deep basin (60 ft)	White tube jig, Airplane jig

Smallmouth Bass fishing at Lower Bass Lake

Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 20 to 45 ft. The spot to know is Main-lake point, a point in about 18 ft of water that rates prime for smallmouth bass in fall. Warm-month bites cluster around early morning and the evening. Throw a drop shot (goby/minnow) or a ned rig until the fish tell you otherwise.

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	Main-lake point (18 ft)	Drop shot (goby/minnow), Ned rig
Fall	8 to 25 ft	midday & dawn	Main-lake point (18 ft)	Jerkbait, Blade bait
Winter	20 to 45 ft	midday	Break off the point (32 ft)	Blade bait, Hair jig

Notable structure

The chart marks 6 structure features on Lower Bass Lake; the deepest is Deep basin at about 60 ft.

Deep basin: deep basin, around 60 ft
Break off the point: drop-off, around 32 ft
Main-lake point: point, around 18 ft
Secondary point: point, around 18 ft
Shallow bay flat: weed flat, around 6 ft
Back-bay flat: weed flat, around 6 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Lower Bass Lake?

Lower Bass Lake is about 70 ft (21 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 Lower Bass Lake?

Anglers target lake trout, smallmouth bass on Lower Bass Lake.

Where is the best fishing spot on Lower Bass Lake?

Deep basin is the top-rated area: a deep basin in about 60 ft of water that rates prime for lake trout in summer. Scroll up to the map for the complete spot list by species and season.

When is the best time to fish Lower Bass 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 Lower Bass Lake?

Fishing on Lower Bass 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

Redbark Lake 2 mi · Upper Bass Lake 2 mi · Allan Lake 2 mi · Cummings Lake 2 mi · Rachel Lake 3 mi · Herbert Lake 4 mi · Joan L. 4 4 mi · Price Lake 4 mi · Gull Lake 5 mi · Eaglerock Lake 5 mi · Skunk Lake 5 mi · Dean Lake 5 mi

See how Lower Bass Lake stacks up: best smallmouth bass lakes in Ontario · best lake trout lakes in Ontario

More water nearby: Nipissing District fishing maps (683 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.