Vale Grande Geodetic Marker

São Teotónio (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.46333811, -8.60292522
  • RGN sheet: 49A
  • Marker type: PILAR CILINDRICO S/ BASE CILINDRICA
  • Top altitude: 179.31 m
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Vale Grande 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° 27' 48.0172" N, 08° 36' 10.5308" W (37.46333811, -8.60292522). RGN identification: 1:50,000 sheet 49A, type PILAR CILINDRICO S/ BASE CILINDRICA. Altimetry: orthometric altitude at the top 179.31 m; at the base 176.4 m; ellipsoidal altitude at the top 233.37 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-49a-vale-grande

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