Lake depth chart
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45-acre lake in Algoma District, Ontario. The lake tops out around 95 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 1987 (an MNRF lake survey). Here's the year, species by species, as the scoring engine sees it.
Shaule Lake maps at 46 acres behind 2.3 miles of shoreline. An index of 2.4 puts the bank firmly in maze territory: point after pocket after cove, every one a casting target. Littoral water — the productive band under ~15 ft — makes up 60% of this chart. End to end it runs roughly 0.7 mi, about 0.3 mi across. It sits in Algoma District. Folson Lake sits 1 mi west — the closest neighbouring chart.
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Warm water sends them out to 10 to 30 ft; cold water stacks them in 15 to 35 ft. Top water on the chart: Back-bay flat, a weed flat in the 3 ft range, prime in spring. Fish it in early morning and you'll meet the bite. Throw a drop-shot micro plastics or a small spoon tipped with worm until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Back-bay flat (3 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Back-bay flat (3 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Deep basin (87 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (87 ft) | Tungsten jig + spikes, Rattle spoon (small) |
The chart marks 6 structure features on Shaule Lake; the deepest is Deep basin at about 87 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 Shaule Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Shaule Lake is about 95 ft (29 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1987 (an MNRF lake survey).
Anglers target yellow perch on Shaule Lake.
Back-bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for yellow perch in spring. The interactive chart above rates every spot for each species and season.
For yellow perch, 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 Shaule 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.
Folson Lake 1 mi · Black Lake 2 mi · Moreland Lake 2 mi · Walton Lake 2 mi · Bull Lake 2 mi · Conley Lake 4 mi · Gaiashk L. 20 and 21 4 mi · Laitila Lake 4 mi · Lockeyer Lake 27 4 mi · Beishlag Lake 4 mi · Tee Lake 5 mi · Wickstrom Lake 5 mi
See how Shaule Lake stacks up: best yellow perch lakes in Ontario
More water nearby: Algoma District fishing maps (1026 charts). Browse all Ontario fishing maps or 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.