Senhora da Graça Geodetic Marker

Senhora da Graça 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: 42° 03' 53.6145" N, 08° 21' 42.1061" W (42.06489292, -8.36169614). RGN identification: 1:50,000 sheet 01B, type TORRE DE IGREJA. Altimetry: orthometric altitude at the top 324.82 m; at the base 314.97 m; ellipsoidal altitude at the top 380.57 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-01b-senhora-da-graca