Lost Loon Lake Depth Map & Fishing Spots (ON)

Skip to interactive depth chart

Lake depth chart

Lost Loon Lake, ON

Max 44 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

Next on this water

Spring bug season (brook trout lakes) · forageApr 25 – Jun 30 · in ~8 months

Hex (giant mayfly) · mayflyMay 25 – Aug 10 · in ~9 months

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours here are generated from real agency depth surveys; use the survey badge for the provider, dataset, datum and measured coverage. Never use for navigation. Always check local regulations.

Loading depth chart…

Recent catches at Lost Loon 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 Lost Loon Lake on the board.

Fishing Lost Loon Lake: what the data says

13-acre lake in Algoma District, Ontario. The lake tops out around 44 ft. The depth chart comes from Ontario Ministry of Natural Resources and Forestry bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The depth data here comes from the Ontario MNRF survey of 2022 (an MNRF lake survey). What follows comes from the same scoring engine that paints the spots above.

On the chart, Lost Loon Lake draws 13 acres inside 1 miles of shoreline. Index 2 on the shoreline: a few honest points and pockets, nothing labyrinthine. The shallow band under 15 ft claims about 66% of the surface — that's where the groceries are. End to end it runs roughly 0.3 mi, about 0.2 mi across. The water lies in Algoma District. Closest neighbour on DepthScout: Brilliant Lake, 1 mi southwest of here.

Brook Trout fishing at Lost Loon Lake

Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Warm water sends them out to 10 to 30 ft; cold water stacks them in 3 to 20 ft. Top water on the chart: Break off the point, a drop-off in the 18 ft range, prime in summer. Fish it in early morning and the evening and you'll meet the bite. Throw a small spoon fished deep or a trolled lake-clear wobbler + worm until the fish tell you otherwise.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Main-lake point (2 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Break off the point (18 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (2 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Break off the point (18 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

Structure-wise the chart holds 4 features, led in depth by Deep basin at roughly 37 ft.

Deep basin: deep basin, around 37 ft
Break off the point: drop-off, around 18 ft
Shallow bay flat: weed flat, around 3 ft
Main-lake point: point, around 2 ft

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

Check the official Ontario fishing regulations →

Common questions

How deep is Lost Loon Lake?

Lost Loon Lake is about 44 ft (13 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 2022 (an MNRF lake survey).

What fish are in Lost Loon Lake?

Anglers target brook trout on Lost Loon Lake.

Where is the best fishing spot on Lost Loon Lake?

Break off the point is the top-rated area: a drop-off in about 18 ft of water that rates prime for brook trout in summer. Open the map above to see every rated spot for each species and season.

When is the best time to fish Lost Loon Lake?

For brook trout, 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 Lost Loon Lake?

Fishing on Lost Loon 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

Brilliant Lake 1 mi · Jarvis Lake 1 mi · Phelbin L. 1 mi · Jarvis L. 9 1 mi · Christman L. 1 mi · Crooked Lakes 2 mi · Kaufman Lake 2 mi · Northland L. 2 mi · Weashkog L. 2 mi · Unnamed Lake 2 mi · Reserve Lake 2 mi · Midge Lake 3 mi

See how Lost Loon Lake stacks up: best brook trout lakes in Ontario

More water nearby: Algoma District fishing maps (1026 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry: published agency survey data. 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.