Mariano Geodetic Marker

Mariano 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° 12' 11.9334" N, 09° 18' 23.7903" W (39.20331483, -9.30660842). RGN identification: 1:50,000 sheet 30A, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 160.23 m; at the base 154.2 m; ellipsoidal altitude at the top 214.17 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-30a-mariano