Flat light and a covered sky today, with enough S wind to stack food downwind with a settled glass. Lac Gros Castor should fish best around the first drop-off and weed lines today. The night carries the best of the day. Make the first hour count and build on it. Cooling water has fish active and on the move.
The bites are poor now
Night
Morning
This water sits in Saguenay/Lac-Saint-Jean, Quebec. The ground around here is taiga. At roughly 6 hectares, the whole thing is within casting reach of a single walk. Some 52 km away sits Saint-Félicien, the nearest settlement. Saint-Prime is 55 km and Roberval 58 km. More in the same country: Lac Dutout 0.8 km away, Lac Plat out at 1 km, Lac Mimi 1.2 km away, Lac Petit Castor out at 1.2 km and Lac Remy 1.3 km away. It sits well inside its county, with no border complications.
We hold no survey for this water; read the slope of the shoreline instead. The shallow end warms first and pulls fish in ahead of the rest. A soft bed grows weed late into autumn, which keeps fish shallow. Open biodiversity records for Saguenay/Lac-Saint-Jean list northern pike, Atlantic salmon, lake whitefish and fallfish. Several of these carry legal protection or closed seasons; the rulebook comes before the rod. The near bank of Lac Gros Castor is often the one people ignore.
July runs about 16°C on average, January about -17°C. Open water arrives late and leaves early, which concentrates the fishing. Ice-out usually falls in early May, and the weeks after it fish hardest. In an average year the thaw lands around early May and the freeze near mid November. The first weeks of open water and the last are the ones to plan for. Expect Lac Gros Castor to follow that timing.
The access position is unclear from public sources. There is no mapped parking or launch close by, which usually means walking in. A wire trace and a big bright lure handle the pike; deep water asks for a heavier spoon. Read any posted signs at the access point rather than assuming. Check whether bait restrictions apply before you buy any. For a change of water, Lac Dutout is 0.8 km distant. Treat Lac Gros Castor as unsettled until someone local tells you otherwise.
25%
The bites are poor now
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| 5.7 | 6.7 | 6.6 | 7.1 | 7.9 | 10.1 | 11.7 | 13.5 | 15.5 | 17.5 | 19.1 | 17.5 | 17.5 | 16.5 | 16.3 | 17.4 | 16.7 | 14.4 | 13.7 | 12.3 | 10 | 10.6 | 6.8 | 8.8 |
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| 81 | 83 | 85 | 87 | 90 | 91 | 91 | 91 | 92 | 91 | 90 | 89 | 89 | 89 | 90 | 89 | 91 | 92 | 92 | 92 | 93 | 94 | 93 | 94 |
Sam
AI Fishing Assistant for Lac Gros Castor
Afternoon
Evening
Best bite time
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Best bite time
Best bite time
Best bite time
Best bite time
Best bite time