Robertson Lake Fishing near Sharbot Lake, Ontario

• Overview

  Robertson Lake belongs to Lanark County, Ontario. The surface lies 285 metres up. Roughly 76 hectares: a morning covers one end, an afternoon the other. There is roughly 6.8 km of bank, more than one visit can cover properly. On our Lanark County list it sits near the top for size. The town to know is Sharbot Lake, 32 km out. Then Perth, 36 km, and Carleton Place, 41 km. Rules can differ a short way off, since the county line is near.

• Where to Fish on Robertson Lake

  No published figure covers depth, so learn it as you fish. Look for the band where the shallows give up and the bottom falls away. Still water like this holds fish on the edges rather than out in the open. Across Lanark County, recorded fish include pumpkinseed, rock bass, smallmouth bass, bluegill and yellow perch. Several of these carry legal protection or closed seasons; the rulebook comes before the rod. Robertson Lake fishes better once you know its edges.

• Seasonal Patterns

  The range across the year is -11°C to 19°C. The year splits cleanly: hard water, then open water. Expect a solid lid for months and a thaw around mid April. Averages suggest open water from about mid April through to roughly early December. The shoulder weeks of the open season are the productive ones. On Robertson Lake that shapes the whole year.

• Tackle & Baits

  The rules here are undocumented as far as public sources go. No dam controls it, and the level follows the season. There is no mapped parking or launch nearby, which keeps numbers down. For the bass here, soft plastics worked slow along cover and a spinnerbait for searching do most of the work. Where the road in crosses private land, ask first. Barbless rules turn up on managed water more often than not. Gallagher Lake sits 2 km off and takes the overflow. Check the current arrangement for Robertson Lake.