Martins Geodetic Marker

Martins 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: 37° 30' 18.2072" N, 08° 20' 40.5532" W (37.50505756, -8.34459811). RGN identification: 1:50,000 sheet 49B, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 286.36 m; at the base 283.66 m; ellipsoidal altitude at the top 340.73 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-49b-martins