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Fishing Holstein Dam: what the data says
15-acre lake near Ontario. The lake tops out around 9 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.
Brook Trout fishing at Holstein Dam
Spring brook trout on Holstein Dam hold shallow, usually 1 to 9 ft. Summer fish stay in 3 to 9 ft, and winter fish hold in 1 to 9 ft. Deep basin is the standout, a deep basin at roughly 8 ft, rated prime for summer brook trout. Best bite is early morning and the evening. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 9 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 3 to 9 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 1 to 9 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 1 to 9 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Notable structure
- Main-lake point: point, around 8 ft
- Deep basin: deep basin, around 8 ft
- Break off the point: drop-off, around 4 ft
- Shallow bay flat: weed flat, around 3 ft
Common questions
How deep is Holstein Dam?
Holstein Dam is about 9 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 Holstein Dam?
Anglers target brook trout on Holstein Dam.
Where is the best fishing spot on Holstein Dam?
Deep basin is the top-rated area: a deep basin in about 8 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.
When is the best time to fish Holstein Dam?
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.
Nearby waters
Greins P. · Matthews Lake · Wilder Lake · Durham Town P. · Tobermory Lake · Irish Lake
See how Holstein Dam stacks up: best brook 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.