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Fishing Dinorwic Lake: what the data says
12,045-acre lake near Ontario. The lake tops out around 33 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Walleye fishing at Dinorwic Lake
In spring, walleye run shallow here, mostly 4 to 15 ft. They move out to 10 to 33 ft in summer and finish the year down in 10 to 33 ft. If you only fish one area, make it Gravel shoal: a gravel shoal around 5 ft that scores prime in spring. 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 | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 10 to 33 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 10 to 33 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 10 to 33 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Northern Pike fishing at Dinorwic Lake
In spring, northern pike run shallow here, mostly 2 to 8 ft. 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. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| 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 |
Yellow Perch fishing at Dinorwic Lake
In spring, yellow perch run shallow here, mostly 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 10 to 33 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring yellow perch. In summer the feeding windows fall in early morning. 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 | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 10 to 33 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 10 to 33 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Smallmouth Bass fishing at Dinorwic Lake
Spring smallmouth bass on Dinorwic Lake hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 10 to 33 ft. If you only fish one area, make it Break off the point: a drop-off around 16 ft that scores prime in winter. In summer the feeding windows fall in early morning and the evening. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 10 to 33 ft | midday | Blade bait, Hair jig |
Notable structure
- Deep basin: deep basin, around 26 ft
- Shallow feeding flat: feeding flat, around 20 ft
- Break off the point: drop-off, around 16 ft
- Shallow feeding flat: feeding flat, around 12 ft
- Secondary point: point, around 6 ft
- Gravel shoal: gravel shoal, around 5 ft
- Main-lake point: point, around 4 ft
- Shoreline point: point, around 4 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 2 ft
- Gravel shoal: gravel shoal, around 2 ft
- Gravel shoal: gravel shoal, around 2 ft
- Gravel shoal: gravel shoal, around 2 ft
- Weed flat: weed flat, around 2 ft
Common questions
How deep is Dinorwic Lake?
Dinorwic Lake is about 33 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Dinorwic Lake?
Anglers target smallmouth bass, walleye, northern pike, yellow perch on Dinorwic Lake.
Where is the best fishing spot on Dinorwic Lake?
Gravel shoal is the top-rated area: a gravel shoal in about 5 ft of water that rates prime for walleye in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Dinorwic Lake?
For walleye, the summer bite is best in the evening and 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
Paulson Lake · Larson Lake · Olsen Lake · Rock Lake · Turtlepond Lake · Butler Lake
See how Dinorwic Lake stacks up: best smallmouth bass lakes in Ontario · best walleye lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.