Gião Geodetic Marker

Gião 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° 11' 54.8816" N, 07° 36' 21.505" W (38.19857822, -7.60597361). RGN identification: 1:50,000 sheet 43B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 337.83 m; at the base 334.88 m; ellipsoidal altitude at the top 393 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-43b-giao