João Serra Geodetic Marker

João Serra 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: 37° 40' 1.3643" N, 07° 50' 13.5329" W (37.66704564, -7.83709247). RGN identification: 1:50,000 sheet 46C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 223.34 m; at the base 220.59 m; ellipsoidal altitude at the top 278.13 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-46c-joao-serra