Fishing at Grand lac Thadde, Saguenay/Lac-Saint-Jean, Quebec

• Overview

  Saguenay/Lac-Saint-Jean in Quebec is where Grand lac Thadde sits. It stands 401 metres above sea level. You are 26 km from Métabetchouan. Chambord is 27 km away, with Roberval at 29 km. Others within reach: Lac Gilbert at about 1.2 km, Lac Isabeau (2.2 km), Lac Arsene at about 2.7 km, Lac Bythene (2.8 km) and Petit lac Jourdain at about 3.4 km. This one is safely inside the county line.

• Where to Fish on Grand lac Thadde

  There is no published depth for this one, so start shallow and work out. This is a lake, so the margins and the first drop matter most. Read the surface for the wind lane, then fish the edge of it. Saguenay/Lac-Saint-Jean records list northern pike, Atlantic salmon, lake whitefish and fallfish among the fish reported. Several of these carry legal protection or closed seasons; the rulebook comes before the rod. Read Grand lac Thadde before you fish it and the day goes better.

• Seasonal Patterns

  The warmest month averages 17°C, the coldest about -17°C. This is a two-season water: locked, then wide open. The lid usually goes in early May, which opens the strongest weeks of the year. The water is typically free of ice between early May and mid November. May into June fishes hardest, and September gives a second good stretch before the lid returns. Grand lac Thadde fishes to that pattern most years.

• Tackle & Baits

  Nothing we hold confirms whether access is permitted. Formal access is not mapped, so the last stretch is likely on foot. Pike mean a wire trace, no exceptions; big spoons and jerkbaits do the searching. Where access is informal, keep it that way by behaving. Barbless rules turn up on managed water more often than not. The nearest alternative is Lac Gilbert, 1.2 km out. Check the position on Grand lac Thadde before loading the car.