Ouro Velho Geodetic Marker

Ouro Velho 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° 36' 4.8161" N, 08° 16' 1.553" W (37.60133781, -8.26709806). RGN identification: 1:50,000 sheet 45D, order 2, type BOLEMBREANO S/ CILINDRO.

Altimetry: orthometric altitude at the top 246 m; at the base 243 m; ellipsoidal altitude at the top 300.4 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-45d-ouro-velho