Montalvão Geodetic Marker

Montalvão 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: 38° 40' 38.0431" N, 09° 11' 17.8551" W (38.67723419, -9.18829308). RGN identification: 1:50,000 sheet 34D, type PILAR PRISMÁTICO.

Altimetry: orthometric altitude at the top 114.57 m; at the base 113.37 m; ellipsoidal altitude at the top 167.87 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-34d-montalvao