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265-acre lake near Ontario. The lake tops out around 12 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. Here is how the season plays out for each species, straight from the data behind the map.
In spring, lake whitefish run shallow here, mostly 4 to 12 ft. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. Deep basin is the standout, a deep basin at roughly 10 ft, rated prime for summer lake whitefish. Plan around early morning in the warm months. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 12 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 4 to 12 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 3 to 12 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 4 to 12 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Spring cisco (lake herring) on Giacomo Lake hold shallow, usually 3 to 12 ft. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. The spot to know is Deep basin, a deep basin in about 10 ft of water that rates prime for cisco (lake herring) in spring. Plan around early morning in the warm months. Summer baits: a vertical flutter spoon (small) or a drop-shot micro plastic gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Small silver spoon, Tiny swim jig (white) |
| Summer | 4 to 12 ft | dawn | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 2 to 12 ft | dusk & dawn | Small casting spoon, Inline spinner (silver) |
| Winter | 4 to 12 ft | dawn | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Spring walleye on Giacomo Lake hold shallow, usually 3 to 12 ft. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. If you only fish one area, make it Break off the point: a drop-off around 5 ft that scores prime in fall. Best bite is the evening and early morning. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 4 to 12 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 4 to 12 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 4 to 12 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Spring yellow perch on Giacomo Lake hold shallow, usually 3 to 12 ft. Summer fish stay in 4 to 12 ft, and winter fish hold in 4 to 12 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 4 to 12 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 4 to 12 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 4 to 12 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Spring northern pike on Giacomo Lake hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 4 to 12 ft, and winter fish settle into 4 to 12 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Plan around early morning and the evening in the warm months. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 4 to 12 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 4 to 12 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 4 to 12 ft | midday | Tip-ups, Large jigging spoon |
How deep is Giacomo Lake?
Giacomo Lake is about 12 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 Giacomo Lake?
Anglers target walleye, northern pike, yellow perch, lake whitefish, cisco (lake herring) on Giacomo Lake.
Where is the best fishing spot on Giacomo Lake?
Deep basin is the top-rated area: a deep basin in about 10 ft of water that rates prime for lake whitefish in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Giacomo Lake?
For lake whitefish, 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.
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See how Giacomo Lake stacks up: best walleye lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario · best lake whitefish lakes in Ontario
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