Seminário Geodetic Marker

Seminário 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: 38° 46' 42.9583" N, 09° 06' 29.6839" W (38.77859953, -9.10824553). RGN identification: 1:50,000 sheet 34B, type PILAR TRONCO-CÓNICO S/ CONSTRUÇÃO.

Altimetry: orthometric altitude at the top 67.5 m; at the base 48.02 m; ellipsoidal altitude at the top 120.92 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-34b-seminario