Boialvo Geodetic Marker

Boialvo 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° 29' 26.4843" N, 08° 19' 37.1983" W (40.49069008, -8.32699953). RGN identification: 1:50,000 sheet 16D, type PILAR TRONCO-CÓNICO S/ CILINDRO.

Altimetry: orthometric altitude at the top 478.67 m; at the base 474.67 m; ellipsoidal altitude at the top 534.01 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-16d-boialvo