Castelão Geodetic Marker

Castelão 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° 00' 33.8851" N, 07° 16' 2.7343" W (39.00941253, -7.26742619). RGN identification: 1:50,000 sheet 33C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 303.52 m; at the base 301.52 m; ellipsoidal altitude at the top 358.17 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-33c-castelao