Simcoe, Lake, 539 sq mi (1,396 sq km), S Ont., Canada, between Georgian Bay and Lake Ontario. Cook Bay, Kempenfelt Bay, and Lake Couchiching are arms of the lake. Lake Simcoe drains N through the Severn River to Georgian Bay and forms part of the Trent Canal system. Orillia, Barrie, and several small resorts are on the lake.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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