Vale da Isca Geodetic Marker

Vale da Isca 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° 39' 35.785" N, 08° 27' 49.5983" W (37.65994028, -8.46377731). RGN identification: 1:50,000 sheet 45D, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 330.03 m; at the base 327.2 m; ellipsoidal altitude at the top 384.12 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-45d-vale-da-isca