Frágua Negra Geodetic Marker

Frágua Negra 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° 55' 52.3954" N, 07° 11' 44.0233" W (40.93122094, -7.19556203). RGN identification: 1:50,000 sheet 15A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 515.43 m; at the base 513.45 m; ellipsoidal altitude at the top 571.16 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-15a-fragua-negra