Valongo Geodetic Marker

Valongo 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: 39° 10' 5.5586" N, 07° 51' 57.6362" W (39.16821072, -7.86601006). RGN identification: 1:50,000 sheet 32A, type BOLEMBREANO S/ IGREJA.

Altimetry: orthometric altitude at the top 199.73 m; at the base 193.56 m; ellipsoidal altitude at the top 254.4 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-32a-valongo