Madeiro Geodetic Marker

Madeiro 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° 18' 35.8892" N, 08° 04' 16.4565" W (40.30996922, -8.07123792). RGN identification: 1:50,000 sheet 20A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 286.45 m; at the base 283.43 m; ellipsoidal altitude at the top 341.85 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-20a-madeiro