Arrão Geodetic Marker

Arrão 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° 07' 22.7792" N, 08° 19' 37.3484" W (39.12299422, -8.32704122). RGN identification: 1:50,000 sheet 31D, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 171.21 m; at the base 167.72 m; ellipsoidal altitude at the top 225.41 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-31d-arrao