Pedra do Altar Geodetic Marker

Pedra do Altar 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° 32' 19.0734" N, 08° 44' 34.3239" W (39.53863150, -8.74286775). RGN identification: 1:50,000 sheet 27A, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 588.06 m; at the base 584.07 m; ellipsoidal altitude at the top 642.63 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-27a-pedra-do-altar