Castelhanas Geodetic Marker

Castelhanas 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° 15' 55.8205" N, 09° 14' 51.4054" W (39.26550569, -9.24761261). RGN identification: 1:50,000 sheet 30A, type PILAR PRISMÁTICO S/ BASE PRISMÁTICA.

Altimetry: orthometric altitude at the top 194.04 m; at the base 187.88 m; ellipsoidal altitude at the top 247.9 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-30a-castelhanas