Barreiros Geodetic Marker

Cidade da Maia (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.23455650, -8.62991406
  • RGN sheet: 09C
  • Marker type: CRUZ DE IGREJA
  • Top altitude: 122.64 m
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Barreiros 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° 14' 4.4034" N, 08° 37' 47.6906" W (41.23455650, -8.62991406). RGN identification: 1:50,000 sheet 09C, type CRUZ DE IGREJA.

Altimetry: orthometric altitude at the top 122.64 m; at the base 98.97 m; ellipsoidal altitude at the top 177.62 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-09c-barreiros

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