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35-acre lake in Cochrane District, Ontario. The lake tops out around 26 ft. The depth chart comes from Ontario Ministry of Natural Resources and Forestry bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The depth data here comes from the Ontario MNRF survey of 1973, a decades-old survey (an MNRF lake survey). What the data behind the map says about each species, season by season:
Greenock Lake maps at 34 acres behind 1.4 miles of shoreline. A middling shoreline index (1.7) gives it some bays to work without being a maze. All of it is shallow-zone water — under ~15 ft across the entire basin, so the food chain has the run of the place. Tip to tip the water measures near 0.6 mi with a 0.2-mi widest point. Cochrane District claims this one. Hutch Lake sits 1 mi northeast — the closest neighbouring chart.
When the water first warms, brook trout slide up into 2 to 15 ft. Summer is an 8 to 26 ft game here, winter a 3 to 20 ft one. Start at Deep basin. It's a deep basin holding about 16 ft of water and rates prime 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.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (1 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 8 to 26 ft | dawn & dusk | Deep basin (16 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (1 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Deep basin (16 ft) | Small jigging spoon, Tungsten jig + plastic |
Structure-wise the chart holds 5 features, led in depth by Deep basin at roughly 16 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 Greenock Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Greenock Lake is about 26 ft (8 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1973, a decades-old survey (an MNRF lake survey).
Anglers target brook trout on Greenock Lake.
Deep basin is the top-rated area: a deep basin in about 16 ft of water that rates prime for brook trout in summer. Every other rated spot, per species and season, is on the map above.
For brook trout, 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 Greenock 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.
Hutch Lake 1 mi · Little Dougherty Lake 1 mi · Birch Lake 1 mi · Dougherty Lake 1 mi · Lipsett Lake 2 mi · Elspeth Lake 2 mi · Beattie Lake 2 mi · Wolverton Lake 2 mi · Kasba Lake 2 mi · James Lakes 2 mi · Coutts Lake 3 mi · Holster Lake 3 mi
See how Greenock Lake stacks up: best brook trout lakes in Ontario
More water nearby: Cochrane District fishing maps (673 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry: published agency survey data. 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.