Fishing Thompson Lake in Thunder Bay District, Ontario

• Overview

  Thompson Lake lies in Thunder Bay District, in Ontario. This is boreal forest country. Roughly 77 hectares: a morning covers one end, an afternoon the other. With 6.7 km or so of shoreline, boat anglers cover ground the bank cannot. The nearest place of any size is Manitouwadge, 21 km away. After that come Hornepayne at 59 km and Longlac at 93 km. This one is safely inside the county line.

• Where to Fish on Thompson Lake

  Nothing we hold settles how deep this runs. Bays and points beat straight shoreline every time on water like this. Weed, then depth: that is the order to fish a water of this kind. Thunder Bay District records list cisco, blackfin cisco, rainbow smelt and bloater among the fish reported. Records at county level tell you what is around, not what is stocked here. Read Thompson Lake for ten minutes before the first cast goes out.

• Seasonal Patterns

  July is the warm end of the year here, averaging about 16°C, while January sits near -18°C. The ice season is long here and the open one short. Ice fishing carries the winter, and the water opens about early May. Climate averages put the opening at about early May and the closing near mid November. The weeks after the thaw and the ones before the freeze are the strongest. Expect Thompson Lake to follow that timing.

• Tackle & Baits

  There is no clear statement anywhere on who can fish it. No dam controls it, and the level follows the season. We find no slipway, car park or made path within a short radius, so treat access as rough. One rod, a handful of hooks and floats, and a few small lures are enough for this water. Local rules can differ across the county line, so check where you stand. Night access is frequently treated as a separate matter. Failing this one, try Banana Lake, 0.7 km away. The position on Thompson Lake is worth confirming on the day.