Ereira Geodetic Marker

Ereira 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° 11' 2.4147" N, 08° 51' 57.022" W (39.18400408, -8.86583944). RGN identification: 1:50,000 sheet 31A, type PILAR S/ CONSTRUÇÃO.

Altimetry: orthometric altitude at the top 132.82 m; at the base 124.87 m; ellipsoidal altitude at the top 186.78 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-31a-ereira