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Fishing Alton Lake: what the data says
470-acre lake near Ontario. The lake tops out around 27 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. Below is the species-by-species picture, pulled from the same data the map uses.
Lake Whitefish fishing at Alton Lake
In spring, lake whitefish run shallow here, mostly 8 to 27 ft. Summer fish stay in 8 to 27 ft, and winter fish hold in 8 to 27 ft. The spot to know is Deep basin, a deep basin in about 23 ft of water that rates prime for lake whitefish in summer. In summer the feeding windows fall in early morning. 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 | 8 to 27 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 8 to 27 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 7 to 27 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 8 to 27 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Northern Pike fishing at Alton Lake
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring northern pike. 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 | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Notable structure
- Deep basin: deep basin, around 23 ft
- Break off the point: drop-off, around 12 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 Alton Lake?
Alton Lake is about 27 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 Alton Lake?
Anglers target northern pike, lake whitefish on Alton Lake.
Where is the best fishing spot on Alton Lake?
Deep basin is the top-rated area: a deep basin in about 23 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 Alton 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.
Nearby waters
Piano Lake · NL · Doubtful Lake · Squirrel Lake · Mackie Lake · Jasper Lake
See how Alton Lake stacks up: best northern pike lakes in Ontario · best lake whitefish lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.