São João Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.61664486, -7.79012983
  • RGN sheet: 46C
  • Marker type: BOLEMBREANO S/ MOINHO
  • Top altitude: 184.88 m
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São João 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° 36' 59.9215" N, 07° 47' 24.4674" W (37.61664486, -7.79012983). RGN identification: 1:50,000 sheet 46C, type BOLEMBREANO S/ MOINHO.

Altimetry: orthometric altitude at the top 184.88 m; at the base 179 m; ellipsoidal altitude at the top 239.64 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-46c-sao-joao

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