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Fishing Grant Lake: what the data says
22-acre lake near Ontario. The lake tops out around 22 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.
Largemouth Bass fishing at Grant Lake
Spring largemouth bass on Grant Lake hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 7 to 22 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Plan around early morning and the evening in the warm months. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 7 to 22 ft | midday | Blade bait, Jigging spoon |
Notable structure
- Deep basin: deep basin, around 19 ft
- Break off the point: drop-off, around 10 ft
- Main-lake point: point, around 8 ft
- Secondary point: point, around 8 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Grant Lake?
Grant Lake is about 22 ft 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.
What fish are in Grant Lake?
Anglers target largemouth bass on Grant Lake.
Where is the best fishing spot on Grant Lake?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Grant Lake?
For largemouth 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.
Nearby waters
McFarlane Lake · Broder Lake 23 · Silver Lake · Linton Lake · Raft Lake · St. Charles Lake
See how Grant Lake stacks up: best largemouth bass lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.