Seixo 3 Geodetic Marker

Seixo 3 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: 40° 01' 38.5633" N, 07° 12' 39.7932" W (40.02737869, -7.21105367). RGN identification: 1:50,000 sheet 21C, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 385.24 m; at the base 382.5 m; ellipsoidal altitude at the top 440.38 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-21c-seixo-3