Negrais Geodetic Marker

Negrais 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° 39' 53.4242" N, 07° 22' 24.7955" W (39.66484006, -7.37355431). RGN identification: 1:50,000 sheet 29A, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 333.47 m; at the base 330.88 m; ellipsoidal altitude at the top 388.41 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-29a-negrais