Alto dos Crespos Geodetic Marker

Alto dos Crespos 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° 54' 36.7992" N, 08° 41' 25.0162" W (39.91022200, -8.69028228). RGN identification: 1:50,000 sheet 23A, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 154.95 m; at the base 152.72 m; ellipsoidal altitude at the top 209.15 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-23a-alto-dos-crespos