Ferro Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.07948356, -7.03036533
  • RGN sheet: 21C
  • Marker type: PILAR CILINDRICO S/ BASE CILINDRICA
  • Top altitude: 641.86 m
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Ferro 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° 04' 46.1408" N, 07° 01' 49.3152" W (40.07948356, -7.03036533). RGN identification: 1:50,000 sheet 21C, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 641.86 m; at the base 639.36 m; ellipsoidal altitude at the top 697.1 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-21c-ferro

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