For up-to-date maps of the Town of Grand Valley, please visit the County of Dufferin's ArcGIS mapping choose "Municipal Boundaries in Dufferin County" and zoom in on the area of interest. Other maps are also available through this service.

For details on the Rural Addressing System, visit the County's website at https://www.dufferincounty.ca/roads-infrastructure/addressing" target="_blank

For Zoning By-law mapping, visit the Town's Planning site at this link - View our Official Plan and Zoning Documents.