Portela do Seixo Geodetic Marker

Portela do Seixo 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: 39° 09' 11.7283" N, 09° 00' 23.0149" W (39.15325786, -9.00639303). RGN identification: 1:50,000 sheet 30B, type PILAR S/ MOINHO.

Altimetry: orthometric altitude at the top 148.44 m; at the base 142.08 m; ellipsoidal altitude at the top 202.45 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-30b-portela-do-seixo