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5,085-acre lake in Sudbury District, Ontario. The lake tops out around 42 ft. The depth data here comes from the Ontario MNRF survey of 1958, a decades-old survey (a transect sounding survey). Here is how the season plays out for each species, straight from the data behind the map.
On the chart, Opeepeesway Lake draws 5,108 acres inside 62.4 miles of shoreline — 33 islands included. With a shoreline index of 6.2, this water is all arms and coves — edge habitat well beyond its acreage. 78% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Figure 8.8 mi of water from one end to the other, 5.6 mi at the beam. The water lies in Sudbury District. Closest neighbour on DepthScout: Rae Lake, 4 mi north of here.
When the water first warms, lake whitefish slide up into 13 to 42 ft. There's no big seasonal slide here — summer means 13 to 42 ft, winter 13 to 42 ft. If you only fish one area, make it Deep basin: a deep basin around 41 ft that scores prime in summer. In summer the feeding windows fall in early morning. Keep a blade bait vertical or a small jigging spoon rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 13 to 42 ft | midday & dawn | Break off the point (17 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 13 to 42 ft | dawn | Deep basin (41 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Rock reef (3 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 13 to 42 ft | midday & dawn | Deep basin (41 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
When the water first warms, cisco (lake herring) slide up into 10 to 40 ft. By summer they slide out to 13 to 42 ft, and by winter most fish are in 13 to 42 ft. If you only fish one area, make it Deep basin: a deep basin around 41 ft that scores prime in summer. In summer the feeding windows fall in early morning. Keep a vertical flutter spoon (small) or a drop-shot micro plastic rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Deep basin (41 ft) | Small silver spoon, Tiny swim jig (white) |
| Summer | 13 to 42 ft | dawn | Deep basin (41 ft) | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Rock reef (3 ft) | Small casting spoon, Inline spinner (silver) |
| Winter | 13 to 42 ft | dawn | Deep basin (41 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Early season walleye use the shallows, holding in 4 to 15 ft. Summer is a 15 to 35 ft game here, winter a 20 to 40 ft one. The chart's best answer is Break off the point — drop-off, 17 ft, prime for fall. Best bite is the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Rock reef (3 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Break off the point (17 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Break off the point (17 ft) | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Deep basin (41 ft) | Jigging spoon + minnow head, Rattle bait |
Spring yellow perch on Opeepeesway 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 Weed flat — weed flat, 3 ft, prime for spring. 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 | Weed flat (3 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Break off the point (17 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Break off the point (17 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (41 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. Spring northern pike concentrate at Weed flat, a prime-rated weed flat around 3 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 | Weed flat (3 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (17 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (17 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow feeding flat (13 ft) | Tip-ups, Large jigging spoon |
Start shallow in spring: burbot sit in 13 to 42 ft that time of year. They don't go far with the seasons — 13 to 42 ft covers summer, 11 to 42 ft covers winter. The spot to know is Deep basin, a deep basin in about 41 ft of water that rates prime for burbot in spring. Warm-month bites cluster around after dark and midday. Throw a heavy jig + cut bait until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 13 to 42 ft | night & dusk | Deep basin (41 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 13 to 42 ft | night & midday | Deep basin (41 ft) | Heavy jig + cut bait |
| Fall | 13 to 42 ft | night & dusk | Deep basin (41 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 11 to 42 ft | night & dusk | Deep basin (41 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Opeepeesway Lake carries 13 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 41 ft down.
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 Opeepeesway Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Opeepeesway Lake is about 42 ft (13 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1958, a decades-old survey (a transect sounding survey).
Anglers target lake whitefish, cisco (lake herring), walleye, yellow perch, northern pike, burbot on Opeepeesway Lake.
Deep basin is the top-rated area: a deep basin in about 41 ft of water that rates prime for lake whitefish in summer. Open the map above to see every rated spot for each species and season.
For lake whitefish, 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 Opeepeesway 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.
Rae Lake 4 mi · Mallard Lake 6 mi · Rice Lake 7 mi · Windy Lake 9 mi · Yeo Lake 9 mi · Stony Lake 10 mi · Potier Lake 10 mi · Schou Lake 10 mi · Pebonishewi Lake 10 mi · Beckett Lake 11 mi · Rush Lake 11 mi · Wolf Lake 11 mi
See how Opeepeesway Lake stacks up: best walleye lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario · best lake whitefish lakes in Ontario
More water nearby: Sudbury District fishing maps (868 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. 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.