Polvorão Geodetic Marker

Polvorão 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° 24' 11.1271" N, 07° 51' 50.2828" W (39.40309086, -7.86396744). RGN identification: 1:50,000 sheet 28C, type TRIPLO CILINDRO.

Altimetry: orthometric altitude at the top 284.77 m; at the base 275.95 m; ellipsoidal altitude at the top 339.59 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-28c-polvorao