Vale da Silva Geodetic Marker

Vale da Silva 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° 07' 52.6494" N, 08° 17' 50.6987" W (40.13129150, -8.29741631). RGN identification: 1:50,000 sheet 19D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 275.37 m; at the base 272.87 m; ellipsoidal altitude at the top 330.88 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-19d-vale-da-silva