Castro Daire Geodetic Marker

Fornelos (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.03397461, -8.18233342
  • RGN sheet: 13B
  • Marker type: BOLEMBREANO
  • Top altitude: 801.14 m
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Castro Daire 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: 41° 02' 2.3086" N, 08° 10' 56.4003" W (41.03397461, -8.18233342). RGN identification: 1:50,000 sheet 13B, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 801.14 m; at the base 798.63 m; ellipsoidal altitude at the top 856.86 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-13b-castro-daire

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