Joinal Geodetic Marker

Joinal 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: 37° 02' 19.3683" N, 07° 52' 53.5554" W (37.03871342, -7.88154317). RGN identification: 1:50,000 sheet 53A, type BOLEMBREANO. Altimetry: orthometric altitude at the top 38.61 m; at the base 34.61 m; ellipsoidal altitude at the top 90.8 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-53a-joinal