Service Disruptions

Guelph Lake Conservation Area - Temporary trail closure

Please be advised that the GORBA Leapin’ Lou and Evergreen Trails at Guelph Lake Conservation Area will be closed on Monday, July 13, 2026, for the application of herbicides. The herbicide application is to control the invasive Dog Strangling Vine, in accordance with the Pesticides Act and Ontario Regulation 63/09 under the forestry exception. This disruption will remain in effect on the day the work is being completed. Signage will be posted at the main entry points to the trails. We appreciate your understanding and cooperation as we work to improve the health of our watershed. 

Rockwood Conservation Area - Boat rentals closure

Please be advised boat rentals at Rockwood Conservation Area will close for the day on Thursday, July 9, 2026, and will re-open on July 10, 2026. We apologize for any inconvenience, and appreciate your cooperation. 

Temporary closure: Glen Morris to Cambridge Rail Trail

Please be advised the Rail Trail from Glen Morris to Cambridge will be closed on Tuesday, July 14, 2026, (weather permitting) to allow for the application of herbicides along the trail. The herbicide application is to control the invasive Dog Strangling Vine, in accordance with the Pesticides Act and Ontario Regulation 63/09 under the forestry exception. This disruption will remain in effect on the day the work is being completed. We appreciate your understanding and cooperation as we work to improve the health of our watershed.

Laurel Creek Nature Centre - Access disruption

The City of Waterloo is undertaking the reconstruction of Beaver Creek Road and Conservation Drive, that may create access disruptions at the Laurel Creek Nature Centre driveway. Learn more on the City of Waterloo website.

Pinehurst Lake Conservation Area - Construction detour and access disruption: 2025-2028

The County of Brant is undertaking a multi-year road construction project that will create detours and access disruptions to Pinehurst Lake Conservation Area. Learn more on the County of Brant website.

Ongoing closure: Mill Ruins at Rockwood Conservation Area closed

The ruins of the Harris & Co. Rockwood Woolen Mill remain closed due to potential safety concerns.

Contact Us

Grand River Conservation Authority
400 Clyde Road, PO Box 729
Cambridge, ON
N1R 5W6
Phone: 519-621-2761
Toll Free: 1-866-900-4722
grca@grandriver.ca