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Rating depth structure for rock bass.
Shared by DepthScout anglers. Exact spots stay private, always.
17-acre lake in Grey County, Ontario. The lake tops out around 25 ft. Bathymetry on this water is estimated from its real outline and maximum depth. Use it to shortlist water, then verify with your electronics — and never navigate by it. Here is how the season plays out for each species, straight from the data behind the map.
The outline encloses 16 acres, worked by 0.8 miles of shoreline. Nearly circular (index 1.3), so the story is the bottom, not the bank. Littoral water — the productive band under ~15 ft — makes up 64% of this chart, as modeled. End to end it runs roughly 0.3 mi, about 0.2 mi across. It sits in Grey County. If the bite dies, Copps Lake is 1 mi to the west.
The spring pattern is a shallow one: rock bass in 2 to 10 ft. As the season builds they drop to 5 to 20 ft, wintering in 8 to 25 ft. Top water on the chart: Main-lake point, a point in the 8 ft range, prime in summer. Time it for the evening. Summer baits: a ned rig (small) or a marabou jig gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Main-lake point (8 ft) | 1/16 oz jig + grub, Small inline spinner |
| Summer | 5 to 20 ft | dusk | Main-lake point (8 ft) | Ned rig (small), Marabou jig |
| Fall | 8 to 22 ft | midday | Break off the point (11 ft) | Small tube jig, Inline spinner |
| Winter | 8 to 25 ft | midday | Deep basin (21 ft) | Tungsten jig + plastic, Small spoon + spike |
The chart marks 3 structure features on Boyd Lake; the deepest is Deep basin at about 21 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 Boyd Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Boyd Lake is about 25 ft (8 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 rock bass on Boyd Lake.
Main-lake point is the top-rated area: a point in about 8 ft of water that rates prime for rock bass in summer. The interactive chart above rates every spot for each species and season.
For rock bass, the summer bite is best in 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 Boyd 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.
Copps Lake 1 mi · Louise Lake 1 mi · North Louise Lake 1 mi · Welbeck Mill Pond 3 mi · Sullivan L. F 5 mi · Habermehl Lake 5 mi · Sullivan L. E 5 mi · Westfall's Lake 6 mi · Harrison Lake 6 mi · Bentinck L. E1 6 mi · Tobermory Lake 6 mi · Dankert Lake 6 mi
See how Boyd Lake stacks up: best rock bass lakes in Ontario
More water nearby: Grey County fishing maps (47 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.