Calço Geodetic Marker

Calço 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: 37° 55' 45.577" N, 08° 29' 38.1541" W (37.92932694, -8.49393169). RGN identification: 1:50,000 sheet 42D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 105.25 m; at the base 102.74 m; ellipsoidal altitude at the top 159.31 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-42d-calco