Casas Velhas Geodetic Marker

Casas Velhas 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° 41' 45.4435" N, 08° 24' 26.6147" W (39.69595653, -8.40739297). RGN identification: 1:50,000 sheet 23D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 256.3 m; at the base 253.36 m; ellipsoidal altitude at the top 311.22 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-23d-casas-velhas