Threesided Lake Fishing in Thunder Bay District, Ontario

• Overview

  Out in Thunder Bay District, Ontario, sits Threesided Lake. It sits in northern bush. It sits higher than most water we list in Ontario. The nearest town is Greenstone, 54 km away. Thunder Bay sits 161 km out, and it is the nearest city worth the name. Within a short run: Jellybean Lake lies 4.4 km on, Barbaro Lake roughly 4.7 km, Pratlett Lake lies 4.8 km on, Squawk Lake roughly 9.1 km and Arrell Lake lies 9.2 km on. It lies deep inside the county rather than near an edge.

• Where to Fish on Threesided Lake

  No figure exists for depth, so let the water show you. The productive water is a rod length or two out, not a hundred. Read the surface for the wind lane, then fish the edge of it. Reported across Thunder Bay District: cisco, blackfin cisco, rainbow smelt and bloater. Read it as a county summary, not a water-by-water list. Threesided Lake repays a walk before the first cast.

• Seasonal Patterns

  On the long-term average, July reads 16°C and January reads -19°C. Water stays cold even at the height of the year. Expect a solid lid for months and a thaw around early May. Open water usually runs from early May until about mid November. Just after the ice goes and just before it returns, the fishing lifts. That shapes the year on Threesided Lake.

• Tackle & Baits

  No access rule appears in what we hold. Public mapping records no formal access here, so plan for a walk and soft ground. One rod, a handful of hooks and floats, and a few small lures are enough for this water. Sort the permit out before you load the car. Where the way in crosses private ground, ask first. Should this one be busy, Jellybean Lake is 4.4 km off. What applies at Threesided Lake may have changed since it was mapped.