Donas Geodetic Marker

Donas 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° 07' 52.3552" N, 07° 28' 29.138" W (40.13120978, -7.47476056). RGN identification: 1:50,000 sheet 20D, type CRUZ DE IGREJA.

Altimetry: orthometric altitude at the top 528.13 m; at the base 512.76 m; ellipsoidal altitude at the top 583.79 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-20d-donas