Seixal Geodetic Marker

Seixal 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° 38' 34.199" N, 09° 06' 6.8243" W (38.64283306, -9.10189564). RGN identification: 1:50,000 sheet 34D, type BOLEMBREANO S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 43.74 m; at the base 27.42 m; ellipsoidal altitude at the top 96.86 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-34d-seixal