Cercal 1 Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.80217439, -8.67477108
  • RGN sheet: 45A
  • Marker type: TORRE DE IGREJA
  • Top altitude: 177.53 m
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Cercal 1 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° 48' 7.8278" N, 08° 40' 29.1759" W (37.80217439, -8.67477108). RGN identification: 1:50,000 sheet 45A, type TORRE DE IGREJA.

Altimetry: orthometric altitude at the top 177.53 m; at the base 160.06 m; ellipsoidal altitude at the top 231.14 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-45a-cercal-1

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