Canadian Hydrographic Service - Chart Index

Displays the geographical extent of products produced by the Canadian Hydrographic Service, including: individual paper charts, vector Electronic Navigational Charts (ENC), and digital raster charts collections (BSB).


The Canadian Hydrographic Service (CHS) conducts hydrographic surveys that capture water depths, geographical features, hazards to navigation, man-made and natural features that aid navigation, tides, currents and water levels, and sea bottom characteristics. The data collected by hydrographers is used to produce authoritative nautical charts and publications which support a broad range of marine activities.

This map shows the geographical extent of CHS’ individual paper charts and vector Electronic Navigational Charts (ENC), as well as the coverage of CHS’ digital raster charts collections (BSB).

For more information about these products please visit the Canadian Hydrographic Service Website.

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Access and Constraints

Please review the Canadian Hydrographic Copyright and Licensing website for details.

Layers and Data

This map is composed from the following services. Availability of layers and data is constrained to the supported interfaces available. Please refer to our Web Map Services page to learn more on how to use the supported interfaces.
Service Name Supported Interfaces help