Altos Geodetic Marker

Altos 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° 47' 41.4225" N, 07° 15' 37.6625" W (39.79483958, -7.26046181). RGN identification: 1:50,000 sheet 25C, order 2, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 255.77 m; at the base 252.99 m; ellipsoidal altitude at the top 310.78 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-25c-altos