Sobralhal Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.62483283, -7.03570900
  • RGN sheet: 18A
  • Marker type: BOLEMBREANO
  • Top altitude: 736.06 m
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Sobralhal 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° 37' 29.3982" N, 07° 02' 8.5524" W (40.62483283, -7.03570900). RGN identification: 1:50,000 sheet 18A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 736.06 m; at the base 733.1 m; ellipsoidal altitude at the top 791.95 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-18a-sobralhal

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