Castanheira Geodetic Marker

Castanheira 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: 39° 21' 18.1086" N, 07° 27' 59.8989" W (39.35503017, -7.46663858). RGN identification: 1:50,000 sheet 28D, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 490.58 m; at the base 487.92 m; ellipsoidal altitude at the top 545.81 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-28d-castanheira