Zerelo Geodetic Marker

Zerelo 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° 09' 9.2298" N, 07° 43' 26.8922" W (40.15256383, -7.72413672). RGN identification: 1:50,000 sheet 20D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 661.64 m; at the base 659.15 m; ellipsoidal altitude at the top 717.75 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-20d-zerelo