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106-acre lake in Lennox and Addington County, Ontario. The lake tops out around 53 ft. The depth data here comes from the Ontario MNRF survey of 1981 (a transect sounding survey). Here's the year, species by species, as the scoring engine sees it.
On the chart, Rainy Lake draws 106 acres inside 2.6 miles of shoreline. Index 1.8 on the shoreline: a few honest points and pockets, nothing labyrinthine. The shallow band under 15 ft claims about 17% of the surface — that's where the groceries are. Figure 1 mi of water from one end to the other, 0.3 mi at the beam. The water lies in Lennox and Addington County. For a second option, Joeperry Lake lies 2 mi northeast.
The spring pattern is a shallow one: lake trout in 10 to 40 ft. As the season builds they drop to 16 to 53 ft, wintering in 13 to 53 ft. Top water on the chart: Deep basin, a deep basin in the 53 ft range, prime in summer. Time it for early morning. Summer baits: a white tube jig (deep) or a magnum spoon on downrigger gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Main-lake point (13 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 16 to 53 ft | dawn | Deep basin (53 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Main-lake point (13 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 13 to 53 ft | dawn | Deep basin (53 ft) | White tube jig, Airplane jig |
Early season yellow perch use the shallows, holding in 3 to 12 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 15 to 35 ft. Put Shallow bay flat first on the milk run — a feeding flat near 4 ft that grades prime for spring. In summer the feeding windows fall in early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (4 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Back-bay flat (7 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Deep basin (53 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (53 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Come spring, look for pumpkinseed tight to the bank in 1 to 8 ft. Expect a summer slide to 2 to 10 ft, then a winter hold in 6 to 18 ft. Start at Shallow bay flat. It's a feeding flat holding about 4 ft of water and rates prime come spring. Prime time lands in the evening and early morning. A micro tube or a sponge spider (fly) is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Shallow bay flat (4 ft) | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Shallow bay flat (4 ft) | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Shallow bay flat (4 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Back-bay flat (7 ft) | Tungsten ice jig + plastic, Tiny spoon |
Start shallow in spring: brown bullhead sit in 2 to 8 ft that time of year. Summer pushes them deeper, 3 to 12 ft, and winter fish settle into 10 to 25 ft. The spot to know is Shallow bay flat, a feeding flat in about 4 ft of water that rates prime for brown bullhead in summer. Warm-month bites cluster around after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | Shallow bay flat (4 ft) | |
| Summer | 3 to 12 ft | night & dusk | Shallow bay flat (4 ft) | |
| Fall | 5 to 15 ft | dusk | Back-bay flat (7 ft) | |
| Winter | 10 to 25 ft | midday | Deep basin (53 ft) |
The chart marks 6 structure features on Rainy Lake; the deepest is Deep basin at about 53 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 Rainy Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Rainy Lake is about 53 ft (16 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1981 (a transect sounding survey).
Anglers target lake trout, yellow perch, pumpkinseed, brown bullhead on Rainy Lake.
Deep basin is the top-rated area: a deep basin in about 53 ft of water that rates prime for lake trout in summer. The map above holds the full rated-spot list for every species and season.
For lake trout, 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 Rainy 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.
Joeperry Lake 2 mi · Pearson Lake 3 mi · Bon Echo Lake 5 mi · Mazinaw Lake 6 mi · Skootamatta Lake 6 mi · Effingham Lake 6 mi · Feeny Lake 7 mi · Kishkebus Lake 8 mi · Shabomeka Lake 10 mi · Weslemkoon Lake 10 mi · Shawenegog Lake 13 mi · Aide Lake 13 mi
See how Rainy Lake stacks up: best yellow perch lakes in Ontario · best lake trout lakes in Ontario · best pumpkinseed lakes in Ontario · best brown bullhead lakes in Ontario
More water nearby: Lennox and Addington County fishing maps (23 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.