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: 40° 10' 51.5329" N, 07° 53' 42.2468" W (40.18098136, -7.89506856). RGN identification: 1:50,000 sheet 20C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 1073.65 m; at the base 1071.21 m; ellipsoidal altitude at the top 1129.75 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-20c-castanheira