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Rating depth structure for smallmouth bass.
Recent public catches load as you reach this section.
12-acre lake near Northesk Parish. Government of New Brunswick lake depth survey. The lake tops out around 23 ft. The depth chart comes from Government of New Brunswick DNRED bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Here's the year, species by species, as the scoring engine sees it.
The outline encloses 12 acres, worked by 0.6 miles of shoreline. Its 1.4 shoreline index means few bank features; the contours below do the pattern work. 95% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Tip to tip the water measures near 0.3 mi. Northumberland County claims this one. Its nearest charted neighbour, Sole Leather Lake, is 2 mi to the northwest.
Spring smallmouth bass on Whitebirch Lake hold shallow, usually 3 to 12 ft. By summer they slide out to 7 to 23 ft, and by winter most fish are in 7 to 23 ft. The chart's best answer is Deep basin — deep basin, 23 ft, good for winter. Prime time lands in early morning and the evening. The summer box starts with a drop shot (goby/minnow) or a ned rig.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | open water | Ned rig, Tube jig |
| Summer | 7 to 23 ft chart-limited; documented 10 to 30 ft | dawn & dusk | open water | Drop shot (goby/minnow), Ned rig |
| Fall | 7 to 23 ft chart-limited; documented 8 to 25 ft | midday & dawn | open water | Jerkbait, Blade bait |
| Winter | 7 to 23 ft chart-limited; documented 20 to 45 ft | midday | Deep basin (23 ft) | Blade bait, Hair jig |
In spring, chain pickerel run shallow here, mostly 2 to 10 ft. Summer pushes them deeper, 3 to 15 ft, and winter fish settle into 5 to 18 ft. Time it for early morning and the evening. You won't need more than a weedless spoon + trailer or a buzzbait most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | open water | Inline spinner (silver), Small spoon (red/white) |
| Summer | 3 to 15 ft | dawn & dusk | open water | Weedless spoon + trailer, Buzzbait |
| Fall | 4 to 15 ft | midday & dawn | open water | Jerkbait along weed edges, Spinnerbait |
| Winter | 5 to 18 ft | dawn | open water | Jigging spoon (through ice) |
Spring puts yellow perch in skinny water — 3 to 12 ft is the zone. As the season builds they drop to 7 to 23 ft, wintering in 7 to 23 ft. Fall yellow perch concentrate at Deep basin, a prime-rated deep basin around 23 ft. Warm-month bites cluster around early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | open water | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 7 to 23 ft chart-limited; documented 10 to 30 ft | dawn | Deep basin (23 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 7 to 23 ft chart-limited; documented 12 to 35 ft | midday | Deep basin (23 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 7 to 23 ft chart-limited; documented 15 to 35 ft | midday & dawn | Deep basin (23 ft) | Tungsten jig + spikes, Rattle spoon (small) |
When the water first warms, brook trout slide up into 2 to 15 ft. Summer is a 7 to 23 ft game here, winter a 3 to 20 ft one. Start at Deep basin. It's a deep basin holding about 23 ft of water and rates good come summer. The feeding windows run early morning and the evening. Keep a small spoon fished deep or a trolled lake-clear wobbler + worm rigged through the warm months.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | open water | Small inline spinner (gold), Tiny spoon |
| Summer | 7 to 23 ft chart-limited; documented 10 to 30 ft | dawn & dusk | Deep basin (23 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Deep basin (23 ft) | Small jigging spoon, Tungsten jig + plastic |
When the water first warms, white perch slide up into 4 to 15 ft. Summer is a 7 to 23 ft game here, winter a 7 to 23 ft one. Start at Deep basin. It's a deep basin holding about 23 ft of water and rates prime come summer. The feeding windows run early morning. Keep a small spinner rig drifted or a 1/8 oz jigging spoon rigged through the warm months.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk | open water | Small jig + curly tail, Inline spinner (silver) |
| Summer | 7 to 23 ft chart-limited; documented 15 to 40 ft | dawn | Deep basin (23 ft) | Small spinner rig drifted, 1/8 oz jigging spoon |
| Fall | 7 to 23 ft chart-limited; documented 15 to 45 ft | midday | Deep basin (23 ft) | Jigging spoon (small), Blade bait |
| Winter | 7 to 23 ft chart-limited; documented 20 to 50 ft | dusk | Deep basin (23 ft) | Small rattle spoon, Tungsten + spikes |
Whitebirch Lake carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 23 ft down.
Season dates, license requirements, and size and bag limits for New Brunswick waters are set by the New Brunswick fishing rules — and special regulations can apply to Whitebirch Lake specifically, so confirm the current rules before you fish.
Check the official New Brunswick fishing regulations →
Whitebirch Lake is about 23 ft (7 m) deep at its deepest point. The depth chart comes from Government of New Brunswick DNRED bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target smallmouth bass, chain pickerel, yellow perch, brook trout, white perch on Whitebirch Lake. This isn't a survey of the water — none is published for it — but an informed estimate from the species common to the region, narrowed by this water's depth, size and each species' range.
Deep basin is the top-rated area: a deep basin in about 23 ft of water that rates prime for yellow perch in fall. The interactive chart above rates every spot for each species and season.
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.
Fishing on Whitebirch Lake is regulated by the New Brunswick fishing rules. Check the official New Brunswick regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Sole Leather Lake 2 mi · Knoll Spruce Lake 2 mi · California Spruce Lake 2 mi · Strachens Lake 3 mi · Long Ponds 4 mi · Bowser Lake 4 mi · Indian Lake 5 mi · Hartts Lake 6 mi · Grants Lake 7 mi · Roger Lake 7 mi · Otter Lake 7 mi · Beaver Lake 7 mi
See how Whitebirch Lake stacks up: best smallmouth bass lakes in New Brunswick · best yellow perch lakes in New Brunswick · best brook trout lakes in New Brunswick · best chain pickerel lakes in New Brunswick
More water nearby: Northumberland County fishing maps (67 charts). Browse all New Brunswick fishing maps. See every water on DepthScout. Bathymetry credit: Government of New Brunswick DNRED LakeDepth survey soundings and 2017 interpolated elevation surface (depth below lake surface; 46% measured, 50% source-interpolated). How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.