Castro Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.85702714, -7.85866653
  • RGN sheet: 46A
  • Marker type: BOLEMBREANO
  • Top altitude: 171.14 m
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Castro 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: 37° 51' 25.2977" N, 07° 51' 31.1995" W (37.85702714, -7.85866653). RGN identification: 1:50,000 sheet 46A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 171.14 m; at the base 168.62 m; ellipsoidal altitude at the top 225.87 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-46a-castro

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