Irwin Lake Fishing in Parry Sound District, Ontario

• Overview

  Irwin Lake is set in Parry Sound District, Ontario. It sits at 240 metres above sea level. Around 30 hectares of surface means several distinct areas to work. The bank runs about 4.5 km all the way round, so one visit can cover most of it. The closest town, South River, is 56 km away. After that come Parry Sound at 57 km and Sturgeon Falls at 59 km. It sits well inside the county, so one set of rules covers it.

• Where to Fish on Irwin Lake

  Nothing we hold settles how deep this runs. Look for the band where the shallows give up and the bottom falls away. A soft bed grows weed late into autumn, which keeps fish shallow. Public occurrence data for Parry Sound District names smallmouth bass, pumpkinseed, yellow perch, northern pike and rock bass. The list covers the county rather than this water alone, so treat it as a guide. Fish Irwin Lake to its features, not to its size.

• Seasonal Patterns

  Climate normals give 19°C for July and -10°C for January. Spring and autumn carry the fishing; summer and winter test it. Firm cover through the cold months, then open water from mid April. Average temperatures cross freezing around mid April in spring and again near early December in autumn. May into June fishes hardest, and September gives a second good stretch before the lid returns. On Irwin Lake the same rules apply, with local timing.

• Tackle & Baits

  We hold no note on access for this one. This is a natural basin, not a dammed one. There is no recorded infrastructure here; expect to find your own way in. For the bass here, soft plastics worked slow along cover and a spinnerbait for searching do most of the work. A phone call first saves an afternoon. Keep proof of licence with you rather than in the car. Fox Lake at 0.9 km is the sensible second choice. The position on Irwin Lake is worth confirming on the day.