Alva Geodetic Marker

Alva 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° 54' 44.4183" N, 07° 36' 57.6466" W (40.91233842, -7.61601294). RGN identification: 1:50,000 sheet 14D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 887.46 m; at the base 884.5 m; ellipsoidal altitude at the top 943.64 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-14d-alva