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.
Invasive plants are species that have been accidentally or deliberately introduced to an area outside of their normal range, and which due to their rapid spread, become a threat to the environment, the economy or to human health. One invasive plant that has spread rapidly into Northumberland County is garlic mustard. This biennial begins its…Read More
One of the most obvious signs of spring is the arrival of songbirds, filling our world with colour and song. There is a pattern to the spring migration that is consistent from year to year. Among the first to arrive are the red-winged blackbirds, appearing in mid-March and filling the air with their loud “check”…Read More
The Ganaraska Region Conservation Authority (GRCA) is excited to announce that the 2nd Annual Northumberland BioBlitz will be conducted in the Ganaraska Forest! This event, in association with the Rice Lake Plains Joint Initiative, will take place the weekend of June 23rd-24th 2018. Mark your calendars! There will be selected sites in the 11,000 acre Ganaraska…Read More
Have you ever thought about how our beautiful roadside trees came to be? In the 1870s, the Ontario Government, through local municipalities, provided an incentive of twenty-five cents a tree to farmers if they planted roadsides with trees from their woodlots. The majority of trees planted were native maples. This gave rise to an important…Read More