Castelo Velho Geodetic Marker

Castelo 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: 39° 34' 13.2809" N, 07° 49' 33.5807" W (39.57035581, -7.82599464). RGN identification: 1:50,000 sheet 28A, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 436.89 m; at the base 434.43 m; ellipsoidal altitude at the top 492.07 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-28a-castelo-velho