Porto Velho Geodetic Marker

Porto 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° 42' 18.7636" N, 08° 26' 57.2619" W (39.70521211, -8.44923942). RGN identification: 1:50,000 sheet 23D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 170.5 m; at the base 168 m; ellipsoidal altitude at the top 225.38 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-porto-velho