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810-acre lake in Algoma District, Ontario. The lake tops out around 110 ft. The depth data here comes from the Ontario MNRF survey of 1973, a decades-old survey (a transect sounding survey). The season-by-season read for each species follows, from the map's own numbers.
The outline encloses 681 acres, worked by 12.7 miles of shoreline, with 6 islands in the mix. A development index of 3.5 means a maze of bays and points: far more casting targets than a round bowl of the same size. 24% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. End to end it runs roughly 2.1 mi, about 1.4 mi across. Algoma District claims this one. Its nearest charted neighbour, Little McGiverin L., is 1 mi to the southwest.
Early season brook trout use the shallows, holding in 2 to 15 ft. Summer is a 10 to 30 ft game here, winter a 3 to 20 ft one. The chart's best answer is Break off the point — drop-off, 11 ft, prime for summer. Best bite is early morning and the evening. Tie on a small spoon fished deep or a trolled lake-clear wobbler + worm and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (7 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (11 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (7 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (11 ft) | Small jigging spoon, Tungsten jig + plastic |
When the water first warms, lake trout slide up into 10 to 40 ft. Summer is a 33 to 110 ft game here, winter a 20 to 80 ft one. Start at Deep basin. It's a deep basin holding about 110 ft of water and rates prime come summer. The feeding windows run early morning. Keep a white tube jig (deep) or a magnum spoon on downrigger rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Break off the point (11 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 33 to 110 ft | dawn | Deep basin (110 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Main-lake point (7 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | Break off the point (11 ft) | White tube jig, Airplane jig |
Start shallow in spring: lake whitefish sit in 15 to 45 ft that time of year. Warm water sends them out to 40 to 90 ft; cold water stacks them in 25 to 70 ft. Top water on the chart: Break off the point, a drop-off in the 11 ft range, prime in fall. Fish it in early morning and you'll meet the bite. Throw a blade bait vertical or a small jigging spoon until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Break off the point (11 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Deep basin (110 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Break off the point (11 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Deep basin (110 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Start shallow in spring: cisco (lake herring) sit in 10 to 40 ft that time of year. Warm water sends them out to 40 to 80 ft; cold water stacks them in 20 to 60 ft. Top water on the chart: Break off the point, a drop-off in the 11 ft range, good in spring. Fish it in early morning and you'll meet the bite. Throw a vertical flutter spoon (small) or a drop-shot micro plastic until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Break off the point (11 ft) | Small silver spoon, Tiny swim jig (white) |
| Summer | 40 to 80 ft | dawn | Deep basin (110 ft) | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Break off the point (11 ft) | Small casting spoon, Inline spinner (silver) |
| Winter | 20 to 60 ft | dawn | Deep basin (110 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 110 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 McGiverin Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
McGiverin Lake is about 110 ft (34 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1973, a decades-old survey (a transect sounding survey).
Anglers target brook trout, lake trout, lake whitefish, cisco (lake herring) on McGiverin Lake.
Deep basin is the top-rated area: a deep basin in about 110 ft of water that rates prime for lake trout in summer. The interactive chart above rates every spot for each species and season.
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.
Fishing on McGiverin 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.
Little McGiverin L. 1 mi · Rossmere Lake 3 mi · Turtle Lake 4 mi · Esten Lake 4 mi · McFadden Lake 4 mi · Quimby Lake 5 mi · Second Lake 5 mi · Marshland Lake 5 mi · Slipper Lake 5 mi · Hastie Lake 5 mi · Spur Lake 5 mi · First Lake 5 mi
See how McGiverin Lake stacks up: best lake trout lakes in Ontario · best brook trout lakes in Ontario · best lake whitefish lakes in Ontario · best cisco (lake herring) lakes in Ontario
More water nearby: Algoma District fishing maps (1026 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.