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1,324-acre lake in Kenora District, Ontario. The lake tops out around 38 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. What follows comes from the same scoring engine that paints the spots above.
Senior Lake maps at 1,330 acres behind 24 miles of shoreline, with 7 islands in the mix. That shoreline is heavily fingered (development index 4.7) — bays, points and pockets everywhere, which multiplies the fishable edge. Roughly 62% of the water is 15 ft or less as modeled, the band where the food chain lives. Tip to tip the water measures near 4.2 mi with a 1.5-mi widest point. Kenora District claims this one. Strachan Lake sits 2 mi northeast — the closest neighbouring chart.
In spring, cisco (lake herring) run shallow here, mostly 10 to 38 ft. Summer keeps them at 11 to 38 ft, and they winter in 11 to 38 ft. Spring cisco (lake herring) concentrate at Deep basin, a prime-rated deep basin around 32 ft. Fish it in early morning and you'll meet the bite. You won't need more than a vertical flutter spoon (small) or a drop-shot micro plastic most summer days.
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 38 ft chart-limited; documented 10 to 40 ft | dawn & dusk | Deep basin (32 ft) | Small silver spoon, Tiny swim jig (white) |
| Summer | 11 to 38 ft chart-limited; documented 40 to 80 ft | dawn | Deep basin (32 ft) | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Break off the point (17 ft) | Small casting spoon, Inline spinner (silver) |
| Winter | 11 to 38 ft chart-limited; documented 20 to 60 ft | dawn | Deep basin (32 ft) | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
The spring pattern is a shallow one: walleye in 4 to 15 ft. As the season builds they drop to 15 to 35 ft, wintering in 11 to 38 ft. Top water on the chart: Break off the point, a drop-off in the 17 ft range, prime in fall. Time it for the evening and early morning. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
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 | 4 to 15 ft | dusk & dawn | Main-lake point (10 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Break off the point (17 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 11 to 38 ft chart-limited; documented 12 to 40 ft | dusk & night | Break off the point (17 ft) | Jigging rap, Jig + big minnow |
| Winter | 11 to 38 ft chart-limited; documented 20 to 40 ft | dusk & dawn | Deep basin (32 ft) | Jigging spoon + minnow head, Rattle bait |
In spring, yellow perch run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 15 to 35 ft. Shallow bay flat is the standout, a weed flat at roughly 5 ft, rated prime for spring yellow perch. Time it for early morning. You won't need more than a drop-shot micro plastics or a small spoon tipped with worm most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (5 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Break off the point (17 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Deep basin (32 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (32 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Early season northern pike use the shallows, holding in 2 to 8 ft. Expect a summer slide to 8 to 20 ft, then a winter hold in 5 to 15 ft. Put Shallow bay flat first on the milk run — a weed flat near 5 ft that grades prime for spring. In summer the feeding windows fall in early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (5 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (17 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (17 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (5 ft) | Tip-ups, Large jigging spoon |
Senior Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 32 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 Senior Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Senior Lake is about 38 ft (12 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 cisco (lake herring), walleye, yellow perch, northern pike on Senior Lake.
Deep basin is the top-rated area: a deep basin in about 32 ft of water that rates prime for cisco (lake herring) in spring. The map above holds the full rated-spot list for every species and season.
For cisco (lake herring), 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 Senior 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.
Strachan Lake 2 mi · Wesleyan Lake 4 mi · Unnamed Lake 5 mi · Snelgrove Lake 6 mi · Ferdinand Lake 7 mi · Coyston Lake 8 mi · Fawthrop Lake 9 mi · Unnamed Lake 10 mi · Buddell Lake 10 mi · Gull Lake 10 mi · Fawcett Lake 11 mi · Christina Lake 12 mi
See how Senior Lake stacks up: best walleye lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario · best cisco (lake herring) lakes in Ontario
More water nearby: Kenora District fishing maps (1173 charts). Browse all Ontario fishing maps. 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.