The Conroy Marsh is a provincially significant wetland in Renfrew County, Ontario.
[1] Located at the junction of the Madawaska, York and Little Mississippi Rivers south of the village of Combermere,[2] it was named after Robert Conroy, an Ottawa Valley lumber baron who held timber harvesting rights in the area.
[3] The wetland includes sections of marsh, fen and swamp.
[2] Part of the wetland has been designated as a Crown Game Preserve.
[4] Conroy Marsh was also the subject of a painting by Group of Seven member A. J.