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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.




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    We have gathered historical data for your convenience. Historical data is the previous version(s) of a file(s). Specify a date range and select the data you wish to download.

    Additional Information

    Survey and Mapping Office, Lands Department Enquiry Hotline

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