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25-acre lake in Sudbury District, Ontario. The lake tops out around 60 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 season-by-season read for each species follows, from the map's own numbers.
On the chart, Gay Lake draws 25 acres inside 0.9 miles of shoreline. A shoreline index of 1.2 says round and simple: fish relate to depth changes here, not shoreline features. Littoral water — the productive band under ~15 ft — makes up 55% of this chart. Tip to tip the water measures near 0.3 mi with a 0.2-mi widest point. The water lies in Sudbury District. The nearest mapped water is Pat Lake, 0 mi to the west.
The spring pattern is a shallow one: brook trout in 2 to 15 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 3 to 20 ft for winter. The spot to know is Shoreline break, a drop-off in about 24 ft of water that rates prime for brook trout in summer. Plan around early morning and the evening in the warm months. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Back-bay flat (2 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Shoreline break (24 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 | Back-bay flat (2 ft) | Small jigging spoon, Tungsten jig + plastic |
Gay Lake carries 4 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 48 ft down.
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 Gay Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Gay Lake is about 60 ft (18 m) deep at its deepest point. 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.
Anglers target brook trout on Gay Lake.
Shoreline break is the top-rated area: a drop-off in about 24 ft of water that rates prime for brook trout in summer. Open the map above to see every rated spot for each species and season.
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 Gay 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.
Pat Lake 0 mi · Hook Lake 0 mi · Bob Lake 1 mi · Wasapika Lake 1 mi · Cryderman Lake 4 mi · Stewart Lake 4 mi · Houston Lake 4 mi · Michiwakenda Lake 5 mi · Chlorus Lake 5 mi · Bobtail Lake 5 mi · Eplett Lake 5 mi · Bigfour Lake 5 mi
See how Gay Lake stacks up: best brook trout lakes in Ontario
More water nearby: Sudbury District fishing maps (868 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.