Silvestra Geodetic Marker

Silvestra 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: 38° 05' 22.3781" N, 08° 33' 7.2853" W (38.08954947, -8.55202369). RGN identification: 1:50,000 sheet 42A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 224.79 m; at the base 222.78 m; ellipsoidal altitude at the top 278.89 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-42a-silvestra