The Ontario Provincial Police are investigating a sudden death at Bruin Lake in MacNicol Township, near Kenora.
The OPP received a call about a possible drowning at 3:30 p.m. on Wednesday.
Members of the Marine and Trails unit responded to the scene and learned a kayak carrying two people, one male and one female, had capsized.
The female is identified as Johnna Bertram, 57, from Kenora. The male kayaker survived.
A post mortem is scheduled for September 1.