Arelho Geodetic Marker

Óbidos (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.38586119, -9.18814300
  • RGN sheet: 26D
  • Marker type: PILAR TRONCO-CÓNICO S/ CILINDRO
  • Top altitude: 65.09 m
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Arelho 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° 23' 9.1003" N, 09° 11' 17.3148" W (39.38586119, -9.18814300). RGN identification: 1:50,000 sheet 26D, type PILAR TRONCO-CÓNICO S/ CILINDRO. Altimetry: orthometric altitude at the top 65.09 m; at the base 60.91 m; ellipsoidal altitude at the top 118.69 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-26d-arelho

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