Caldeira Geodetic Marker

Caldeira 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° 56' 47.3187" N, 07° 37' 43.4814" W (37.94647742, -7.62874483). RGN identification: 1:50,000 sheet 43D, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 186.74 m; at the base 184.24 m; ellipsoidal altitude at the top 241.75 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-43d-caldeira