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Fishing Treadwell Lake: what the data says
77-acre lake near City of Saint John. Government of New Brunswick lake depth survey. The lake tops out around 32 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. Here is how the season plays out for each species, straight from the data behind the map.
Smallmouth Bass fishing at Treadwell Lake
Spring smallmouth bass on Treadwell 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 32 ft. Main-lake point is the standout, a point at roughly 11 ft, rated prime for fall smallmouth bass. Best bite is early morning and the evening. A drop shot (goby/minnow) or a ned rig covers the summer program.
| 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 32 ft | midday | Blade bait, Hair jig |
Chain Pickerel fishing at Treadwell Lake
Spring chain pickerel on Treadwell Lake hold shallow, usually 2 to 10 ft. They move out to 3 to 15 ft in summer and finish the year down in 5 to 18 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Tie on a weedless spoon + trailer or a buzzbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Inline spinner (silver), Small spoon (red/white) |
| Summer | 3 to 15 ft | dawn & dusk | Weedless spoon + trailer, Buzzbait |
| Fall | 4 to 15 ft | midday & dawn | Jerkbait along weed edges, Spinnerbait |
| Winter | 5 to 18 ft | dawn | Jigging spoon (through ice) |
Yellow Perch fishing at Treadwell Lake
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. By summer they slide out to 10 to 30 ft, and by winter most fish are in 10 to 32 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. In summer the feeding windows fall in early morning. 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 | 10 to 32 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 10 to 32 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Brook Trout fishing at Treadwell Lake
In spring, brook trout run shallow here, mostly 2 to 15 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 3 to 20 ft. The spot to know is Deep basin, a deep basin in about 30 ft of water that rates prime for brook trout in summer. Best bite is early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
White Perch fishing at Treadwell Lake
Spring white perch on Treadwell Lake hold shallow, usually 4 to 15 ft. Summer pushes them deeper, 10 to 32 ft, and winter fish settle into 10 to 32 ft. If you only fish one area, make it Deep basin: a deep basin around 30 ft that scores prime in summer. Plan around early morning in the warm months. Tie on a small spinner rig drifted or a 1/8 oz jigging spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk | Small jig + curly tail, Inline spinner (silver) |
| Summer | 10 to 32 ft | dawn | Small spinner rig drifted, 1/8 oz jigging spoon |
| Fall | 10 to 32 ft | midday | Jigging spoon (small), Blade bait |
| Winter | 10 to 32 ft | dusk | Small rattle spoon, Tungsten + spikes |
Notable structure
- Deep basin: deep basin, around 30 ft
- Break off the point: drop-off, around 23 ft
- Main-lake point: point, around 11 ft
- Secondary point: point, around 6 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Treadwell Lake?
Treadwell Lake is about 32 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 Treadwell Lake?
Anglers target smallmouth bass, yellow perch, brook trout, chain pickerel, white perch on Treadwell Lake.
Where is the best fishing spot on Treadwell Lake?
Main-lake point is the top-rated area: a point in about 11 ft of water that rates prime for smallmouth bass in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Treadwell Lake?
For smallmouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.