Ontario Mass Points and Breaklines

This dataset is a collection of 3D mass points and breakline features that were interpreted using photogrammetry from aerial photography. The elevation data is organized into tiles grouped into packages for download. This data is for geospatial tech specialists, and is used by government, municipalities, conservation authorities and the private sector for land use planning and environmental analysis.

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 19:42 (UTC)
Created April 17, 2026, 19:42 (UTC)
contact_person {"en": "Government of Ontario; Government of Ontario; Natural Resources and Forestry", "fr": "Gouvernement de l'Ontario; Gouvernement de l'Ontario; Natural Resources and Forestry"}
criticality_level []
data_dictionary unknown,unknown,unknown
geographic_scope []
open_canada_collection fgp
open_canada_date_published 2020-10-20 00:00:00
open_canada_keywords {"en": ["Environment and Natural Resources", "Government information"], "fr-t-en": ["Environnement et richesses naturelles", "Information gouvernementale"]}
open_canada_subject ["economics_and_industry"]
sensitivity_level unrestricted
title_fr Points de masse et lignes de rupture de l’Ontario
update_frequency as_needed