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GeoBase Surface Water Program (GeEAU)

With 20%Footnote * of the world's total freshwater resources, Canada has a responsibility to do it right. That is why the GeoBase Surface Water Program (GeEAU) of Natural Resources Canada (NRCan) is deploying its resources to provide data, services and expertise to address water issues.

Learn more about GeEAU

Products and documentation

Discover what characterizes the National Hydrographic Network (NHN), an inland water surface dataset covering all of Canada. National Hydrographic Network (NHN) data is produced and distributed by watershed.
Data is also available for download.

GeEAU interactive map

View and navigate Canada’s hydrographic data from our online tool

GeEAU interactive map

Science and activities

Look beyond traditional maps and data and find out how we are working to improve and facilitate access to surface water data.

Partners and collaborators

Water issues are complex and require expertise from different sources.
Meet our partners and collaborators.

Mission and strategy

Find out how the GeEAU program supports priority issues for the Government of Canada, including the sound management of our water resources.

News from GeEAU

Find out about the latest contributions and activities related to GeEAU.

Contact Us

To submit your comments or suggestions about GeEAU, please contact us by email at the following address:

For technical questions about geospatial data, please consult the Frequently Asked Questions section.

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