Grand River Conservation Authority maintains a collection of data layers for its geographic information system (GIS). You can download GRCA's GIS data directly from our data catalogue. Refer to the "Licence" column in the data list for details on use constraints for each individual layer.
By accessing or downloading any data or third party data, you agree to be bound by the by associated licence. Information on GRCA's data policies and licences can be found on the Licensing page.