Sequeira Geodetic Marker

Sequeira 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° 05' 36.55" N, 09° 21' 55.7588" W (39.09348611, -9.36548856). RGN identification: 1:50,000 sheet 30C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 48.89 m; at the base 46.35 m; ellipsoidal altitude at the top 102.85 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-30c-sequeira