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14-acre lake near Ontario. The lake tops out around 36 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Here is how the season plays out for each species, straight from the data behind the map.
Spring lake trout on Gervais L. 9 hold shallow, usually 9 to 36 ft. Summer fish stay in 11 to 36 ft, and winter fish hold in 9 to 36 ft. The spot to know is Deep basin, a deep basin in about 31 ft of water that rates prime for lake trout in summer. Best bite is early morning. Summer baits: a white tube jig (deep) or a magnum spoon on downrigger gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 9 to 36 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 11 to 36 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 7 to 36 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 9 to 36 ft | dawn | White tube jig, Airplane jig |
How deep is Gervais L. 9?
Gervais L. 9 is about 36 ft 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.
What fish are in Gervais L. 9?
Anglers target lake trout on Gervais L. 9.
Where is the best fishing spot on Gervais L. 9?
Deep basin is the top-rated area: a deep basin in about 31 ft of water that rates prime for lake trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Gervais L. 9?
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.
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See how Gervais L. 9 stacks up: best lake trout lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.