Santiago Geodetic Marker

Santiago 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° 38' 46.6339" N, 07° 28' 55.8132" W (40.64628719, -7.48217033). RGN identification: 1:50,000 sheet 17B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 614.47 m; at the base 611.98 m; ellipsoidal altitude at the top 670.41 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-17b-santiago