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1,083-acre lake near Ontario. The lake tops out around 71 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.
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. They move out to 21 to 71 ft in summer and finish the year down in 18 to 71 ft. If you only fish one area, make it Deep basin: a deep basin around 60 ft that scores prime in summer. Best bite is 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 | 21 to 71 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 | 18 to 71 ft | dawn | White tube jig, Airplane jig |
Spring lake whitefish on Tunnel L. hold shallow, usually 15 to 45 ft. They move out to 21 to 71 ft in summer and finish the year down in 25 to 70 ft. The spot to know is Deep basin, a deep basin in about 60 ft of water that rates prime for lake whitefish in summer. 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 | 15 to 45 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 21 to 71 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
In spring, walleye run shallow here, mostly 4 to 15 ft. Summer pushes them deeper, 15 to 35 ft, and winter fish settle into 20 to 40 ft. The spot to know is Break off the point, a drop-off in about 32 ft of water that rates prime for walleye in fall. Plan around the evening and early morning in the warm months. 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 | 15 to 35 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Spring yellow perch on Tunnel L. hold shallow, usually 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 15 to 35 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring yellow perch. Plan around early morning in the warm months. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| 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) |
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. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. Best bite is early morning and the evening. 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 |
How deep is Tunnel L.?
Tunnel L. is about 71 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 Tunnel L.?
Anglers target walleye, northern pike, yellow perch, lake trout, lake whitefish on Tunnel L..
Where is the best fishing spot on Tunnel L.?
Deep basin is the top-rated area: a deep basin in about 60 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 Tunnel L.?
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.
Mountain Lake · Rushbay Lake · Vale Lake · Wigwasan Lake · Bukemiga Lake · Collins Lake
See how Tunnel L. stacks up: best walleye lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario · best lake trout lakes in Ontario
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