Sobreirão Geodetic Marker

Sobreirão 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° 37' 16.3397" N, 07° 36' 42.0164" W (39.62120547, -7.61167122). RGN identification: 1:50,000 sheet 28B, order 4, type PILAR PRISMÁTICO S/ BASE PRISMÁTICA.

Altimetry: orthometric altitude at the top 234.61 m; at the base 231.89 m; ellipsoidal altitude at the top 289.8 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-28b-sobreirao