Seixo Branco Geodetic Marker

Seixo Branco 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: 40° 30' 4.7018" N, 07° 21' 59.7969" W (40.50130606, -7.36661025). RGN identification: 1:50,000 sheet 18C, type BOLEMBREANO. Altimetry: orthometric altitude at the top 1002.15 m; at the base 999.68 m; ellipsoidal altitude at the top 1058.38 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-18c-seixo-branco