About External Resources

Various local, provincial and federal agencies with jurisdiction in the Grand River watershed provide access to their monitoring information, data holdings, map products, and other online tools. GRCA commonly receives enquiries about these types of information resources and their availability for the Grand River watershed. Included below is contact information for these types of resources. Please contact the source directly if you are interested in their information.


Province of Ontario - Ministry of Environment, Conservation and Parks (MECP)


Province of Ontario - Land Information Ontario (LIO)

Land Information Ontario (LIO) helps public and private organizations and individuals find, access and share geographic data. LIO also coordinates the collection of aerial photography for Ontario.

Find Ontario's authoritative geospatial data using Ontario GeoHub which includes options to download the data or use a web service in geospatial software. For imagery of the Grand River watershed search for "SWOOP" data products.


Province of Ontario - Ministry of Natural Resources and Forestry (MNRF)

In addition to data available from LIO, or what the province has designated as Open Data, the MNRF provides access to several data sets for non-commercial end-use.

Natural Resource and Forestry Data Access Requests


Province of Ontario - Additional