Marco Geodetic Marker

Marco 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° 16' 10.8557" N, 08° 36' 29.8687" W (40.26968214, -8.60829686). RGN identification: 1:50,000 sheet 19A, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 126.87 m; at the base 122.85 m; ellipsoidal altitude at the top 181.42 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-19a-marco