Dom João Geodetic Marker

Dom João 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° 54' 21.2311" N, 07° 50' 1.7995" W (38.90589753, -7.83383319). RGN identification: 1:50,000 sheet 36A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 226.21 m; at the base 223.18 m; ellipsoidal altitude at the top 280.95 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-36a-dom-joao