Negro Geodetic Marker

Negro 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: 37° 11' 40.5739" N, 07° 57' 58.2886" W (37.19460386, -7.96619128). RGN identification: 1:50,000 sheet 50C, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 406.2 m; at the base 403.7 m; ellipsoidal altitude at the top 459.67 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-50c-negro