São Lourenço Geodetic Marker

Sande e São Lourenço do Douro (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.10133869, -8.19421611
  • RGN sheet: 13B
  • Marker type: TORRE DE IGREJA
  • Top altitude: 228.66 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: 41° 06' 4.8193" N, 08° 11' 39.178" W (41.10133869, -8.19421611). RGN identification: 1:50,000 sheet 13B, type TORRE DE IGREJA.

Altimetry: orthometric altitude at the top 228.66 m; at the base 209.9 m; ellipsoidal altitude at the top 284.24 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-13b-sao-lourenco

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