Castanheiros Geodetic Marker

Castanheiros 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° 30' 31.5267" N, 06° 53' 16.9491" W (40.50875742, -6.88804142). RGN identification: 1:50,000 sheet 18D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 846.89 m; at the base 843.84 m; ellipsoidal altitude at the top 902.9 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-18d-castanheiros