Marinha Velha Geodetic Marker

Marinha Velha 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° 37' 40.5973" N, 08° 43' 12.6763" W (40.62794369, -8.72018786). RGN identification: 1:50,000 sheet 16A, type BOLEMBREANO S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 39.8 m; at the base 6.17 m; ellipsoidal altitude at the top 94.21 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-16a-marinha-velha