Sobreira Geodetic Marker

Sobreira 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° 34' 12.1826" N, 07° 02' 57.4057" W (40.57005072, -7.04927936). RGN identification: 1:50,000 sheet 18A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 802.56 m; at the base 799.54 m; ellipsoidal altitude at the top 858.52 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-18a-sobreira