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Rating depth structure for lake trout.
Recent public catches load as you reach this section.
108-acre lake in Thunder Bay District, Ontario. The lake tops out around 60 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 1970, a decades-old survey (an MNRF lake survey). Here is how the season plays out for each species, straight from the data behind the map.
On the chart, Davidson Lake draws 109 acres inside 3.9 miles of shoreline. That shoreline is heavily fingered (development index 2.7) — bays, points and pockets everywhere, which multiplies the fishable edge. The shallow band under 15 ft claims about 80% of the surface — that's where the groceries are. Tip to tip the water measures near 0.9 mi with a 0.6-mi widest point. You'll find it in Thunder Bay District. The nearest mapped water is Ducell Lake, 1 mi to the north.
Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. The spot to know is Break off the point, a drop-off in about 30 ft of water that rates prime for brook trout in summer. Warm-month bites cluster around early morning and the evening. 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 (1 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (30 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (1 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shallow bay flat (1 ft) | Small jigging spoon, Tungsten jig + plastic |
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Warm water sends them out to 18 to 60 ft; cold water stacks them in 15 to 60 ft. Top water on the chart: Deep basin, a deep basin in the 60 ft range, prime in summer. Fish it in early morning and you'll meet the bite. Throw a white tube jig (deep) or a magnum spoon on downrigger until the fish tell you otherwise.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Break off the point (30 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 18 to 60 ft chart-limited; documented 50 to 120 ft | dawn | Deep basin (60 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Break off the point (30 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 15 to 60 ft chart-limited; documented 20 to 80 ft | dawn | Deep basin (60 ft) | White tube jig, Airplane jig |
Davidson Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 60 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 Davidson Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Davidson Lake is about 60 ft (18 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1970, a decades-old survey (an MNRF lake survey).
Anglers target brook trout, lake trout on Davidson Lake.
Deep basin is the top-rated area: a deep basin in about 60 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 Davidson 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.
Ducell Lake 1 mi · Found Lake 3 mi · Craig Lake 4 mi · Bews Lake 5 mi · Deep Lake 5 mi · Crosman Lake 6 mi · Bluff Lake 6 mi · Sister Lakes 7 mi · Big Duck Lake 9 mi · Ambrose Lake 10 mi · Box Lake 10 mi · Fishnet Lake 10 mi
See how Davidson Lake stacks up: best lake trout lakes in Ontario · best brook trout lakes in Ontario
More water nearby: Thunder Bay District fishing maps (662 charts). Browse all Ontario fishing maps. 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.