Troisieme lac Gagnon, Quebec: Fishing Spots and Seasons

• Overview

  Mauricie, Quebec, is where Troisieme lac Gagnon sits. It sits at 236 metres above sea level. Start from Sainte-Thècle, 18 km down the road. Trois-Rivières is the closest city, 70 km away. Within a short drive: Deuxieme lac Gagnon after 1.4 km, Lac Gagne about 1.8 km, Lac Terrien after 1.8 km, Lac Godin about 2.3 km and Premier lac Gagnon after 2.7 km. The nearest boundary is well away, so one set of rules covers the water.

• Where to Fish on Troisieme lac Gagnon

  Depth here is unknown, so count the lead down before committing. 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. Mauricie records list northern pike, brook trout, walleye, yellow perch and white sucker among the fish reported. County records show what lives in the area; the local agency holds the water-by-water list. Troisieme lac Gagnon gives up more to patience than to distance.

• Seasonal Patterns

  On the long-term average, July reads 18°C and January reads -15°C. Hard water is a season in its own right here. The freeze runs deep into the year, with break-up near late April. On average, late April opens the water and late November closes it again. The first weeks of open water and the last are the ones to plan for. It sets the rhythm of the year at Troisieme lac Gagnon.

• Tackle & Baits

  Access is not recorded for this water. Mapping shows no built access close by; expect to walk in from wherever you can leave the car. A small crankbait along the drop and a worm in the thick stuff cover the bass. Ask in the nearest town if you are unsure. Night access is frequently treated as a separate matter. Failing this one, try Deuxieme lac Gagnon, 1.4 km away. Confirm access to Troisieme lac Gagnon locally before you travel.