Gramatal Geodetic Marker

Gramatal Geodetic Marker is a point in the Portuguese National Geodetic Network (RGN), the reference network used for mapping, surveying and geographic measurement in Portugal.

Coordinates: 40° 08' 11.6132" N, 08° 48' 16.4087" W (40.13655922, -8.80455797). RGN identification: 1:50,000 sheet 19C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 4.19 m; at the base 2.58 m; ellipsoidal altitude at the top 58.03 m.

This record is based on official RGN coordinate data and is useful for understanding the landscape, planning map work or identifying a precise geographic reference point. Local access conditions can vary, so check the terrain before visiting.

RGN source ID: rgn-19c-gramatal