Bidueiro Geodetic Marker

Bidueiro 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: 40° 13' 50.5622" N, 08° 12' 9.783" W (40.23071172, -8.20271750). RGN identification: 1:50,000 sheet 19B, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 436.37 m; at the base 433.85 m; ellipsoidal altitude at the top 491.73 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-19b-bidueiro