Welcome to the Ganaraska Region Conservation Authority

The Ganaraska Region Conservation Authority's overall goal is the conservation, restoration, development and management of natural resources on a watershed basis while providing for the public enjoyment of the lands it oversees.

The Ganaraska Region Conservation Authority (GRCA) was formed in October 1946 under the Conservation Authorities Act and is one of the oldest conservation authorities in Ontario.

The watersheds of the GRCA covers an area of 361 square miles from Wilmot Creek in Clarington to east of Cobourg from the south shore of Rice Lake down to Lake Ontario. This area includes seven municipalities in whole or in part: Township of Cavan-Monaghan, Town of Cobourg, Township of Alnwick-Haldimand, Township of Hamilton, Municipality of Port Hope, City of Kawartha Lakes, Municipality of Clarington.

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Latest News

GRCA Issues Updated Flood Warning – Lake Shorelines

Flood Potential: High The Ganaraska Region Conservation Authority advises that very high water levels on Lake Ontario are expected to persist through May with potential for shoreline erosion and flooding. Also, water levels on Rice Lake are rising due to the runoff associated with last week’s three day rain storm and are currently 45cm above…

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Call for Volunteers

The numerous wind storms that occurred this winter and early spring have resulted in a large number of fallen trees and branches on trails in the Ganaraska Forest. Forest staff have been working for the last several weeks on cleaning up forest roads and wider trails. Clearing single-track trails is much more difficult as vehicles…

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