Triangulation stations first appeared on the map of Hong Kong in 1845. As at May 2019, there were 232 Trigonometrical Stations and 3,498 Traverse Stations established in Hong Kong.
|Trilateration Main Network||Minor Triangulation Network||Traverse Stations|
There were 1,829 benchmarks as at May 2019 that formed the primary levelling network in Hong Kong. The height values of the benchmarks over the Hong Kong Principal Datum (HKPD) were precisely surveyed. They are used as the reference for determining heights for various activites in Hong Kong.
You may click here to search or download the station summary of the above horizontal and vertical survey stations directly.
You may also visit our Geodetic Survey Station Online Key Map to search and download these stations under different scale of base maps.
Should you have any enquiry, please feel free to contact us.