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Hydrocoherent numerical terrain models provide a regional representation of Quebec's relief based on altimetric and planimetric data. The models are a collaborative product from the Ministry of Natural Resources and Forests and Natural Resources Canada, offering a quality portrait of relief at a 1:50,000 scale. They feature a grid resolution of 0.324 arcseconds, corresponding to approximately 10 meters on the ground.
Data is accessible via the High Resolution Quebec Hydrographic Network Geobase and is offered in multiple formats including SHP, GEOTIF, and CSV. License is qc-cc-by.