Marta 1 Geodetic Marker

Marta 1 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° 40' 21.5103" N, 09° 00' 26.1146" W (38.67264175, -9.00725406). RGN identification: 1:50,000 sheet 34D, type PILAR CILINDRICO S/ BASE CILINDRICA S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 36.41 m; at the base 19.83 m; ellipsoidal altitude at the top 89.61 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-marta-1