São Lourenço Geodetic Marker

Castro Daire (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.83203772, -7.84107869
  • RGN sheet: 14C
  • Marker type: BOLEMBREANO
  • Top altitude: 931.42 m
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São Lourenço 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° 49' 55.3358" N, 07° 50' 27.8833" W (40.83203772, -7.84107869). RGN identification: 1:50,000 sheet 14C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 931.42 m; at the base 929.37 m; ellipsoidal altitude at the top 987.49 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-14c-sao-lourenco

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