Gralha Geodetic Marker

Gralha 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° 20' 49.53" N, 08° 13' 25.1694" W (37.34709167, -8.22365817). RGN identification: 1:50,000 sheet 49B, order 2, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 429.37 m; at the base 425.4 m; ellipsoidal altitude at the top 483.54 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-gralha