Alporchinhos Geodetic Marker

Alporchinhos 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° 06' 15.7426" N, 08° 23' 6.5955" W (37.10437294, -8.38516542). RGN identification: 1:50,000 sheet 52B, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 65.15 m; at the base 62.15 m; ellipsoidal altitude at the top 117.66 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-52b-alporchinhos