Geodetic Survey Control Station

Station summary for all SatRef stations will not be provided and they have been replaced by Satellite Reference Station Coordinates List since 1st April, 2016.

Enter Station Number :

* The station information is also available on GeoInfo Map and MyMapHK Mobile Map App.

List of New Release / Revised / Disused Station summary sheet

Geodetic Survey Control Network

The Geodetic Survey Control Network is composed of more than 5,500 geodetic survey control stations covering the whole territory of Hong Kong. The network provides accurate and reliable horizontal and vertical position references for various vital activities, such as mapping, land boundary survey, town planning, land administration, civil engineering, infrastructure development and etc.

Horizontal Control Network

Vertical Control Network

Satellite Positioning

Key Features of Geodetic Survey Control Station Database

Geodetic Survey Control Station Excel (XLS) Extensible Markup Language (XML) Keyhole Markup Language (KML) Geography Markup Language (GML)
Bench Mark xls xml kml gml
Traverse Station xls xml kml gml
Trig. Station xls xml kml gml

* The Geodetic Survey Control Station Database is now available on Common Spatial Data Infrastructure (CSDI) Portal.

Please refer to the Data Dictionary in connection with the downloaded data.

Report on Missing / Disturbance of Geodetic Survey Stations

  • To report missing or disturbance of Survey Stations, please complete and fax us the following form or send e-mail to