Guia Geodetic Marker

Guia 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: 39° 56' 48.4189" N, 08° 47' 4.238" W (39.94678303, -8.78451056). RGN identification: 1:50,000 sheet 23A, type CRUZ DE IGREJA.

Altimetry: orthometric altitude at the top 142.64 m; at the base 127.08 m; ellipsoidal altitude at the top 196.55 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-23a-guia