July 3, 2020 Update: The Ganaraska Region Conservation Authority is continuing to monitor the latest COVID-19 developments and is taking precautions to keep our workplace safe for staff, visitors and partners across the watershed.

  • All conservation areas are open to hiking. Please note that Millennium Conservation Area is now a one-way trail: head right upon entry to the trailhead. Remember to practice social-distancing on the trails and in CA parking lots.
  • Ganaraska Forest is open to all recreational activities. Please see: IMPORTANT INFORMATION FOR ALL VISITORS, which includes that dogs must be kept on leash in ALL sections of the forest
  • All GRCA buildings remain closed to the public, including the Ganaraska Forest Centre and all public washrooms.
  • The Administration Office is closed to the public, while staff continue to operate through phone and email communications. Please see staff directory for a complete list of contact information.
  • GRCA's Planning & Regulations team is not accepting walk-in meetings, but is able to assist with electronic planning and permit submissions.

Your patience, cooperation and support is appreciated during this time. Please continue to visit our website for updates. Stay safe.

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.

Latest News

Ganaraska Region Conservation Authority Offering Pop-Up Weddings at the Ganaraska Forest Centre

We have all felt the affects of the pandemic; but can you imagine being a bride and groom losing the opportunity to spend one of the most important days of their lives with their family and friends? With the latest announcements opening up the Province to larger gatherings such as weddings, the Ganaraska Region Conservation Authority…

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Your Children and the Great Outdoors

Would your child know what to do if he/she were lost in a forest?  Would they know how to identify poison ivy? Is your child curious about the natural world? Do they know where turtles go in the winter? All of these questions and many more will be answered when your child attends the Ganaraska…

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Lake Ontario Shoreline Hazards Management Plan Update: Phase 4 – Draft Final Report Call for Comments

In 1990, the Ganaraska Region Conservation Authority, in partnership with Central Lake Ontario Conservation Authority and Lower Trent Region Conservation Authority, completed a Shoreline Management Plan for the Lake Ontario shoreline to guide shoreline management within their respective jurisdictions. Shorelines are forever changing, and the 1990 Plan required updating to reflect these changes. Zuzek Incorporated, out of Waterdown…

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GRCA’s Many Partnerships Make Tree Planting Possible During COVID-19

Thanks to the determination of over 200 property owners, Ganaraska Region Conservation Authority (GRCA) staff, Pineneedle Farms and Brinkman Reforestation Ltd., over 73,000 trees were distributed and planted throughout the GRCA and its member municipalities. “The distribution of tree and shrub stock, and the planting of them, worked well under a social distancing protocol.” said…

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