July 21, 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.┬áPlease 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

Gypsy Moths and How They are Affecting Our Watershed

The phones at the Ganaraska Region Conservation Authority (GRCA) have been ringing off the hook with calls regarding Gypsy moths. The Gypsy moth (Lymantria dispar) is an invasive species that was brought to North America from Europe and escaped during a failed silkworm breeding experiment in Massachusetts in 1869. They were first detected in Ontario…

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GRCA Issues Low Water Advisory: Level 1 Low Water Condition (Mild Drought)

On July 16, 2020, the Ganaraska Region Water Response Team confirmed a level 1 low water condition for its watersheds. A lack of rainfall over the past three months has caused below normal flows in local streams for this time of year and rapidly declining soil moisture and groundwater levels. Based on provincial guidelines, local…

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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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