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184-acre lake in Haliburton County, Ontario. The lake tops out around 98 ft. The depth data here comes from the Ontario MNRF survey of 1978, a decades-old survey (a transect sounding survey). The season-by-season read for each species follows, from the map's own numbers.
The drawn water covers 185 acres wrapped in 3.1 miles of bank — 2 islands included. A middling shoreline index (1.7) gives it some bays to work without being a maze. The shallow band under 15 ft claims about 10% of the surface — that's where the groceries are. Figure 1 mi of water from one end to the other, 0.6 mi at the beam. It sits in Haliburton County. Its nearest charted neighbour, Grace Lake, is 2 mi to the east.
Spring smallmouth bass on Yankton Lake hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 20 to 45 ft. Put Main-lake point first on the milk run — a point near 14 ft that grades prime for fall. The feeding windows run early morning and the evening. The summer box starts with a drop shot (goby/minnow) or a ned rig.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Secondary point (10 ft) | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Main-lake point (14 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Main-lake point (14 ft) | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Break off the point (61 ft) | Blade bait, Hair jig |
Spring puts rock bass in skinny water — 2 to 10 ft is the zone. As the season builds they drop to 5 to 20 ft, wintering in 12 to 30 ft. Summer rock bass concentrate at Main-lake point, a prime-rated point around 14 ft. Warm-month bites cluster around the evening. A ned rig (small) or a marabou jig covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Secondary point (10 ft) | 1/16 oz jig + grub, Small inline spinner |
| Summer | 5 to 20 ft | dusk | Main-lake point (14 ft) | Ned rig (small), Marabou jig |
| Fall | 8 to 22 ft | midday | Main-lake point (14 ft) | Small tube jig, Inline spinner |
| Winter | 12 to 30 ft | midday | Deep basin (98 ft) | Tungsten jig + plastic, Small spoon + spike |
Spring puts pumpkinseed in skinny water — 1 to 8 ft is the zone. As the season builds they drop to 2 to 10 ft, wintering in 6 to 18 ft. Spring pumpkinseed concentrate at Shallow bay flat, a prime-rated feeding flat around 6 ft. Warm-month bites cluster around the evening and early morning. A micro tube or a sponge spider (fly) covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Shallow bay flat (6 ft) | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Shallow bay flat (6 ft) | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Shallow bay flat (6 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Shallow bay flat (6 ft) | Tungsten ice jig + plastic, Tiny spoon |
The chart marks 6 structure features on Yankton Lake; the deepest is Deep basin at about 98 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 Yankton Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Yankton Lake is about 98 ft (30 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1978, a decades-old survey (a transect sounding survey).
Anglers target smallmouth bass, rock bass, pumpkinseed on Yankton Lake.
Main-lake point is the top-rated area: a point in about 14 ft of water that rates prime for smallmouth bass in fall. The map above holds the full rated-spot list for every species and season.
For smallmouth bass, 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 Yankton 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.
Grace Lake 2 mi · Clement Lake 2 mi · Little Esson Lake 3 mi · Miskwabi Lake 3 mi · Allen Lake 3 mi · Esson Lake 3 mi · Mountain Lake 3 mi · Hurst Lake 4 mi · Cockle Lake 4 mi · East Lake 4 mi · Moore Lake 4 mi · Cardiff Lake 5 mi
See how Yankton Lake stacks up: best smallmouth bass lakes in Ontario · best rock bass lakes in Ontario · best pumpkinseed lakes in Ontario
More water nearby: Haliburton County fishing maps (295 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.