Portela das Eiras Geodetic Marker

Portela das Eiras 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° 29' 55.7217" N, 08° 06' 44.1515" W (39.49881158, -8.11226431). RGN identification: 1:50,000 sheet 28A, type BOLEMBREANO S/ MOINHO.

Altimetry: orthometric altitude at the top 167.64 m; at the base 161.12 m; ellipsoidal altitude at the top 222.41 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-28a-portela-das-eiras