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49-acre lake in Nipissing District, Ontario. The lake tops out around 10 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. Every species below gets its seasonal read from the same numbers driving the chart.
On the chart, Doule Lake draws 50 acres inside 1.9 miles of shoreline. Index 1.9 on the shoreline: a few honest points and pockets, nothing labyrinthine. There is no deep basin to speak of — the entire surface is under ~15 ft, prime weed water end to end. Figure 0.7 mi of water from one end to the other, 0.2 mi at the beam. The water lies in Nipissing District. Closest neighbour on DepthScout: High L., 1 mi south of here.
Start shallow in spring: brook trout sit in 1 to 10 ft that time of year. They don't go far with the seasons — 3 to 10 ft covers summer, 2 to 10 ft covers winter. Top water on the chart: Deep basin, a deep basin in the 9 ft range, prime in summer. 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 | 1 to 10 ft | dawn & dusk | Main-lake point (8 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 3 to 10 ft | dawn & dusk | Deep basin (9 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 1 to 10 ft | midday & dawn | Main-lake point (8 ft) | Small spoon (orange), Spinner |
| Winter | 2 to 10 ft | dawn | Deep basin (9 ft) | Small jigging spoon, Tungsten jig + plastic |
Doule Lake carries 5 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 9 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 Doule Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Doule Lake is about 10 ft (3 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
Anglers target brook trout on Doule Lake.
Deep basin is the top-rated area: a deep basin in about 9 ft of water that rates prime for brook 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 Doule 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.
High L. 1 mi · Otter Lake 3 mi · Trout Lake 4 mi · Four Mile Lake 5 mi · Turtle Lake 6 mi · Whitethroat Lake 6 mi · Dreany Lake 6 mi · Bigfish Lake 6 mi · Tilliard Lake 7 mi · Camelot Lake 7 mi · Werwolf Lake 7 mi · McLean Lake 7 mi
See how Doule Lake stacks up: best brook trout lakes in Ontario
More water nearby: Nipissing District fishing maps (683 charts). Browse all Ontario fishing maps or see every water on DepthScout. 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.