Pedras Ninhas Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.98901961, -6.95879872
  • RGN sheet: 25B
  • Marker type: PILAR TRONCO-CÓNICO
  • Top altitude: 531.74 m
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Pedras Ninhas 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: 39° 59' 20.4706" N, 06° 57' 31.6754" W (39.98901961, -6.95879872). RGN identification: 1:50,000 sheet 25B, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 531.74 m; at the base 529.07 m; ellipsoidal altitude at the top 587.01 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-25b-pedras-ninhas

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