Fishing Thumb Lake in Nipissing District, Ontario

• Overview

  Thumb Lake stands in Nipissing District, Ontario. It lies 444 metres above sea level. Roughly 11 hectares: a morning covers one end, an afternoon the other. Around 3.0 km of margin, front to back. Compared with other Ontario water on our list, it sits high. You are 28 km from Huntsville. United Townships of Dysart, Dudley, Harcourt, Guilford, Harburn, Bruton, Havelock, Eyre and Clyde lies 42 km off, Haliburton Village another 47 km. Local rules may differ a few miles either side of here.

• Where to Fish on Thumb Lake

  Depth is unknown to us, and the shoreline is the better guide. 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. Species logged across Nipissing District include smallmouth bass, cisco, yellow perch, pumpkinseed and rock bass. Take it as the county picture rather than a promise for this water. The shape of Thumb Lake decides where the fish sit.

• Seasonal Patterns

  July is the warm end of the year here, averaging about 18°C, while January sits near -12°C. Cold locks it up for a good stretch each year. Count the season from break-up, usually late April. Break-up near late April, freeze-up near late November: that is the shape of an average year. The shoulder weeks of the open season are the productive ones. It sets the rhythm of the year at Thumb Lake.

• Tackle & Baits

  Nothing in our records says who may fish here. This is a natural basin, not a dammed one. There is no recorded infrastructure here; expect to find your own way in. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. A phone call first saves an afternoon. Some stretches are reserved and marked as such on the ground. The nearest alternative is Lumber Lake, 1.1 km out. Check the position on Thumb Lake before loading the car.