Alto de Giões Geodetic Marker

Alto de Giões 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: 37° 28' 58.1868" N, 07° 42' 40.9607" W (37.48282967, -7.71137797). RGN identification: 1:50,000 sheet 50B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 248.38 m; at the base 245.88 m; ellipsoidal altitude at the top 302.8 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-50b-alto-de-gioes