Sampaio Geodetic Marker

Sampaio 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: 38° 38' 42.3743" N, 09° 11' 17.0503" W (38.64510397, -9.18806953). RGN identification: 1:50,000 sheet 34D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 79.8 m; at the base 76.93 m; ellipsoidal altitude at the top 132.98 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-34d-sampaio