Martinhos Geodetic Marker

Martinhos 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° 54' 7.1435" N, 08° 33' 27.4497" W (38.90198431, -8.55762492). RGN identification: 1:50,000 sheet 35A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 78.16 m; at the base 74.66 m; ellipsoidal altitude at the top 132.01 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-35a-martinhos