Castlebar Lake in Thunder Bay District: How and When to Fish It

• Overview

  Set in Thunder Bay District, Castlebar Lake is an Ontario water. Around the bank it is spruce and muskeg. At some 8.67 sq km it is far too large to cover on foot in a day. The perimeter runs near 21 km, so plan the walk before you start. Size puts it in the front rank of our Thunder Bay District list. The nearest town is Longlac, 35 km away. Further out sit Geraldton (66 km) and Manitouwadge (80 km). It sits well inside its county, with no border complications.

• Where to Fish on Castlebar Lake

  Nothing in our records gives a depth for this one. On a natural lake the weed line and the shelf beyond it do the work. The productive water is a rod length or two out, not a hundred. Open biodiversity records for Thunder Bay District list cisco, blackfin cisco, rainbow smelt and bloater. Species recorded across the county may be limited to a few waters. Castlebar Lake repays a walk before the first cast.

• Seasonal Patterns

  Temperature averages peak at 16°C in July and bottom out at -19°C in January. The year here is short and sharp: a long lid, then a burst of open water. Expect a solid lid for months and a thaw around early May. The open-water window runs from around early May to about mid November in an average year. Reckon on open water from spring through to late autumn, with May and June the strongest. On Castlebar Lake that shapes the whole year.

• Tackle & Baits

  Access status is simply unknown for this water. No dam controls it, and the level follows the season. No built facilities appear in mapping around this water. One rod, a handful of hooks and floats, and a few small lures are enough for this water. Check whether a boat is allowed before you tow one. Night access is frequently treated as a separate matter. Failing this one, try Goldsmith Lake, 3.5 km away. Check the position at Castlebar Lake before loading the car.