Alto da Cascalheira Geodetic Marker

Alto da Cascalheira 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: 38° 35' 28.1457" N, 09° 05' 27.278" W (38.59115158, -9.09091056). RGN identification: 1:50,000 sheet 34D, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 57.73 m; at the base 54.21 m; ellipsoidal altitude at the top 110.9 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-34d-alto-da-cascalheira