Barreiros Geodetic Marker

Barreiros 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° 00' 39.1665" N, 07° 15' 0.2885" W (40.01087958, -7.25008014). RGN identification: 1:50,000 sheet 25A, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 400.65 m; at the base 397.82 m; ellipsoidal altitude at the top 455.78 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-25a-barreiros