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235-acre lake in Algoma District, Ontario. The lake tops out around 66 ft. The depth data here comes from the Ontario MNRF survey of 1981 (a transect sounding survey). What follows comes from the same scoring engine that paints the spots above.
Traced from the shoreline, Skirl Lake runs 236 acres with 4.9 miles of edge, broken up by 3 islands. With a shoreline index of 2.3, this water is all arms and coves — edge habitat well beyond its acreage. 45% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Tip to tip the water measures near 1.2 mi with a 0.6-mi widest point. The water lies in Algoma District. For a second option, Highland Lake lies 1 mi northeast.
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: Main-lake point, a point in the 9 ft range, prime in spring. 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 (9 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (38 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (9 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shallow bay flat (5 ft) | Small jigging spoon, Tungsten jig + plastic |
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Summer pushes them deeper, 20 to 66 ft, and winter fish settle into 17 to 66 ft. The spot to know is Deep basin, a deep basin in about 66 ft of water that rates prime for lake trout in summer. Warm-month bites cluster around early morning. Throw a white tube jig (deep) or a magnum spoon on downrigger until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Main-lake point (9 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 20 to 66 ft | dawn | Deep basin (66 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Main-lake point (9 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 17 to 66 ft | dawn | Deep basin (66 ft) | White tube jig, Airplane jig |
Start shallow in spring: burbot sit in 20 to 66 ft that time of year. They don't go far with the seasons — 20 to 66 ft covers summer, 15 to 60 ft covers winter. The spot to know is Deep basin, a deep basin in about 66 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 | 20 to 66 ft | night & dusk | Deep basin (66 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 20 to 66 ft | night & midday | Deep basin (66 ft) | Heavy jig + cut bait |
| Fall | 20 to 66 ft | night & dusk | Deep basin (66 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Deep basin (66 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 66 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 Skirl Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Skirl Lake is about 66 ft (20 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1981 (a transect sounding survey).
Anglers target brook trout, lake trout, burbot on Skirl Lake.
Deep basin is the top-rated area: a deep basin in about 66 ft of water that rates prime for lake trout in summer. Open the map above to see every rated 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 Skirl 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.
Highland Lake 1 mi · Hoover Lake 1 mi · McGrath Lake 2 mi · Pearl Lake 2 mi · Puddingstone Lake 3 mi · Castra Lake 3 mi · Murray Lake 3 mi · East Caribou Lake 4 mi · Baird Lake 4 mi · Wakomata Lake 4 mi · Bridge Lake 4 mi · Echo Lake 4 mi
See how Skirl Lake stacks up: best lake trout lakes in Ontario · best brook trout lakes in Ontario · best burbot 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.