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13-acre lake near Paroisse d'Addington. Government of New Brunswick lake depth survey. The lake tops out around 4 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. Species by species, here's what the data says the year looks like.
On the chart, Third Portage Lake draws 13 acres inside 0.7 miles of shoreline. The basin is a simple one (shoreline index 1.4) — close to a bowl, so the structure on the chart matters more than the bank. The whole water is littoral — nothing here runs deeper than ~15 ft, so it's all weed-and-bait territory. Figure 0.3 mi of water from one end to the other. You'll find it in Restigouche County. The nearest mapped water is Second Portage Lake, 1 mi to the south.
Start shallow in spring: smallmouth bass sit in 1 to 3.9 ft that time of year. They don't go far with the seasons — 1 to 3.9 ft covers summer, 1 to 3.9 ft covers winter. Top water on the chart: Main-lake point, a point in the 4 ft range, prime in fall. Fish it in early morning and the evening and you'll meet the bite. Throw a drop shot (goby/minnow) or a ned rig until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 3.9 ft | dawn & dusk | Main-lake point (4 ft) | Ned rig, Tube jig |
| Summer | 1 to 3.9 ft | dawn & dusk | Break off the point (2 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 1 to 3.9 ft | midday & dawn | Main-lake point (4 ft) | Jerkbait, Blade bait |
| Winter | 1 to 3.9 ft | midday | Break off the point (2 ft) | Blade bait, Hair jig |
When the water first warms, chain pickerel slide up into 1 to 3.9 ft. There's no big seasonal slide here — summer means 1 to 3.9 ft, winter 1 to 3.9 ft. Start at Break off the point. It's a drop-off holding about 2 ft of water and rates prime come fall. The feeding windows run early morning and the evening. Keep a weedless spoon + trailer or a buzzbait rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 3.9 ft | midday & dawn | open water | Inline spinner (silver), Small spoon (red/white) |
| Summer | 1 to 3.9 ft | dawn & dusk | Break off the point (2 ft) | Weedless spoon + trailer, Buzzbait |
| Fall | 1 to 3.9 ft | midday & dawn | Break off the point (2 ft) | Jerkbait along weed edges, Spinnerbait |
| Winter | 1 to 3.9 ft | dawn | Break off the point (2 ft) | Jigging spoon (through ice) |
Come spring, look for yellow perch tight to the bank in 1 to 3.9 ft. Through summer count on 1 to 3.9 ft; the winter hold is 1 to 3.9 ft. If you only fish one area, make it Deep basin: a deep basin around 3 ft that scores prime in fall. Best bite is early morning. A drop-shot micro plastics or a small spoon tipped with worm is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 3.9 ft | midday & dawn | open water | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 1 to 3.9 ft | dawn | Deep basin (3 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 1 to 3.9 ft | midday | Deep basin (3 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 1 to 3.9 ft | midday & dawn | Deep basin (3 ft) | Tungsten jig + spikes, Rattle spoon (small) |
In spring, brook trout run shallow here, mostly 1 to 3.9 ft. Summer keeps them at 1 to 3.9 ft, and they winter in 1 to 3.9 ft. Deep basin is the standout, a deep basin at roughly 3 ft, rated prime for summer brook trout. Time it for early morning and the evening. You won't need more than a small spoon fished deep or a trolled lake-clear wobbler + worm most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 3.9 ft | dawn & dusk | Main-lake point (4 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 1 to 3.9 ft | dawn & dusk | Deep basin (3 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 1 to 3.9 ft | midday & dawn | Main-lake point (4 ft) | Small spoon (orange), Spinner |
| Winter | 1 to 3.9 ft | dawn | Deep basin (3 ft) | Small jigging spoon, Tungsten jig + plastic |
Count 3 structure marks on this chart. The deepest, Main-lake point, sits near 4 ft.
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 Third Portage Lake specifically, so confirm the current rules before you fish.
Check the official New Brunswick fishing regulations →
Third Portage Lake is about 3.9 ft (1 m) deep 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.
Anglers target smallmouth bass, chain pickerel, yellow perch, brook trout on Third Portage 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.
Main-lake point is the top-rated area: a point in about 4 ft of water that rates prime for smallmouth bass in fall. The map above holds the full rated-spot list for every 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 Third Portage 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.
Second Portage Lake 1 mi · First Portage Lake 1 mi · Upsalquitch Lake 5 mi · Meadow Lakes 11 mi · Murray Lake 11 mi · Teneriffe Lake 12 mi · Tongue Lake 12 mi · Island Lake 12 mi · Camp Lake 12 mi · Head Lake 13 mi · Bathurst Lake 13 mi · Jacquet River Lakes 14 mi
See how Third Portage 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: Restigouche County fishing maps (25 charts). Browse all New Brunswick fishing maps or see every water on DepthScout. 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.