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Rating depth structure for lake trout.
Shared by DepthScout anglers. Exact spots stay private, always.
140-acre lake in Timiskaming District, Ontario. The lake tops out around 72 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. The season-by-season read for each species follows, from the map's own numbers.
On the chart, Greenwater Lake draws 140 acres inside 2.6 miles of shoreline. The shoreline is moderately structured (index 1.6) — enough points and pockets to pattern. The shallow band under 15 ft claims about 32% of the surface on the model — that's where the groceries are. The basin spans about 0.8 mi end to end and 0.5 mi across at its widest. The water lies in Timiskaming District. The nearest mapped water is Holden Lake, 1 mi to the south.
In spring, lake trout run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 22 to 72 ft, and winter fish settle into 18 to 72 ft. Deep basin is the standout, a deep basin at roughly 61 ft, rated prime for summer lake trout. Time it for early morning. You won't need more than a white tube jig (deep) or a magnum spoon on downrigger most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 22 to 72 ft | dawn | Deep basin (61 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Main-lake point (18 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 18 to 72 ft | dawn | Deep basin (61 ft) | White tube jig, Airplane jig |
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 61 ft.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to Greenwater Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Greenwater Lake is about 72 ft (22 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 lake trout on Greenwater Lake.
Deep basin is the top-rated area: a deep basin in about 61 ft of water that rates prime for lake trout in summer. Scroll up to the map for the complete spot list by species and season.
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.
Fishing on Greenwater Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Holden Lake 1 mi · Lockie Lake 1 mi · Gladys L. 1 mi · Skull Lake 2 mi · Niccolite Lake 2 mi · Bergeron Lake 2 mi · Duncanson Lake 3 mi · Mendelssohn Lake 3 mi · Kerry Lake 3 mi · Philbrick Lake 4 mi · Anvil Lake 5 mi · McKenzie Lake 5 mi
See how Greenwater Lake stacks up: best lake trout lakes in Ontario
More water nearby: Timiskaming District fishing maps (515 charts). Browse all Ontario 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.