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Digital Terrain Model (DTM)
Lands Department Development
Update Frequency: As and when necessary

The DTM is a digital terrain model of the Hong Kong Special Administrative Region. It shows the topography of terrain (including non-ground information such as elevated roads and bridges) in 5-metre raster grid with an accuracy of ±5m. If land area is covered by vegetation, the terrain will be depicted by the height of vegetation.

Reference(s) : https://www.landsd.gov.hk/en/resources/mapping-information/open-data.html
Source(s) : https://www.landsd.gov.hk/en/resources/mapping-information/open-data.html
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Additional Information
Maintainer
Survey and Mapping Office, Lands Department Enquiry Hotline
email smohq@landsd.gov.hk
call 22313187
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