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Fishing Guilmette Lake: what the data says
163-acre lake near Ontario. The lake tops out around 106 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.
Lake Trout fishing at Guilmette Lake
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. By summer they slide out to 32 to 106 ft, and by winter most fish are in 20 to 80 ft. If you only fish one area, make it Deep basin: a deep basin around 90 ft that scores prime in summer. In summer the feeding windows fall in early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 32 to 106 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | White tube jig, Airplane jig |
Splake fishing at Guilmette Lake
Start shallow in spring: splake sit in 5 to 25 ft that time of year. Summer pushes them deeper, 25 to 60 ft, and winter fish settle into 10 to 45 ft. If you only fish one area, make it Break off the point: a drop-off around 48 ft that scores prime in summer. Best bite is early morning and the evening. Summer baits: a trolled spoon at the thermocline or a white tube jig (deep) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | Small casting spoon (gold/orange), Inline spinner |
| Summer | 25 to 60 ft | dawn & dusk | Trolled spoon at the thermocline, White tube jig (deep) |
| Fall | 10 to 35 ft | dawn & dusk | Casting spoon, Jerkbait |
| Winter | 10 to 45 ft | dawn | Jigging spoon tipped with minnow head, Small white tube |
Cisco (Lake Herring) fishing at Guilmette Lake
Spring cisco (lake herring) on Guilmette Lake hold shallow, usually 10 to 40 ft. By summer they slide out to 40 to 80 ft, and by winter most fish are in 20 to 60 ft. If you only fish one area, make it Deep basin: a deep basin around 90 ft that scores prime in summer. Best bite is early morning. Summer baits: a vertical flutter spoon (small) or a drop-shot micro plastic gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Small silver spoon, Tiny swim jig (white) |
| Summer | 40 to 80 ft | dawn | Vertical flutter spoon (small), Drop-shot micro plastic |
| Fall | 5 to 25 ft | dusk & dawn | Small casting spoon, Inline spinner (silver) |
| Winter | 20 to 60 ft | dawn | Small jigging spoon (glow/silver), Tungsten jig + minnow head |
Yellow Perch fishing at Guilmette Lake
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 6 ft, rated prime for spring yellow perch. Best bite is early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Notable structure
- Deep basin: deep basin, around 90 ft
- Break off the point: drop-off, around 48 ft
- Main-lake point: point, around 27 ft
- Secondary point: point, around 27 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Guilmette Lake?
Guilmette Lake is about 106 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 Guilmette Lake?
Anglers target yellow perch, lake trout, cisco (lake herring), splake on Guilmette Lake.
Where is the best fishing spot on Guilmette Lake?
Deep basin is the top-rated area: a deep basin in about 90 ft of water that rates prime for lake trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Guilmette Lake?
For lake trout, 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.
Nearby waters
Turtle Lake · Ukalet Lake · Long L. · NL · Little Clear Lake · Loon Lake
See how Guilmette Lake stacks up: best yellow perch lakes in Ontario · best lake trout lakes in Ontario · best cisco (lake herring) lakes in Ontario · best splake lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.