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31-acre lake in Cochrane District, Ontario. The lake tops out around 37 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 1977, a decades-old survey (an MNRF lake survey). Below is the species-by-species picture, pulled from the same data the map uses.
Traced from the shoreline, Flynn Lake runs 31 acres with 1.6 miles of edge. Index 2.1 on the shoreline: a few honest points and pockets, nothing labyrinthine. The shallow band under 15 ft claims about 94% of the surface — that's where the groceries are. Call it 0.4 mi long by 0.3 mi wide at the broadest reach. The water lies in Cochrane District. For a second option, Deloro L. 5 lies 0 mi south.
Spring yellow perch on Flynn 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 15 to 35 ft. The chart's best answer is Deep basin — deep basin, 30 ft, prime for fall. Prime time lands in early morning. The summer box starts with a drop-shot micro plastics or a small spoon tipped with worm.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (1 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Deep basin (30 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Deep basin (30 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (30 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Spring puts northern pike in skinny water — 2 to 8 ft is the zone. As the season builds they drop to 8 to 20 ft, wintering in 5 to 15 ft. Fall northern pike concentrate at Break off the point, a prime-rated drop-off around 6 ft. Warm-month bites cluster around early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (1 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (6 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (6 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Break off the point (6 ft) | Tip-ups, Large jigging spoon |
Structure-wise the chart holds 5 features, led in depth by Deep basin at roughly 30 ft.
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 Flynn Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Flynn Lake is about 37 ft (11 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1977, a decades-old survey (an MNRF lake survey).
Anglers target yellow perch, northern pike on Flynn Lake.
Deep basin is the top-rated area: a deep basin in about 30 ft of water that rates prime for yellow perch in fall. Every other rated spot, per species and season, is on the map above.
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.
Fishing on Flynn 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.
Deloro L. 5 0 mi · Meadow Lake 0 mi · Reid Lake 0 mi · Cook Lake 2 mi · Galore Lake 2 mi · Beaver Lake 3 mi · Simpson Lake 5 mi · Gillies Lake 5 mi · Baker Lake 6 mi · Hope Lake 6 mi · Cook's Lake 7 mi · Charlebois Lake 8 mi
See how Flynn Lake stacks up: best northern pike lakes in Ontario · best yellow perch lakes in Ontario
More water nearby: Cochrane District fishing maps (673 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.