Hera Geodetic Marker

Santiago do Cacém (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.75633831, -8.67633242
  • RGN sheet: 45A
  • Marker type: BOLEMBREANO
  • Top altitude: 331.62 m
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Hera 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° 45' 22.8179" N, 08° 40' 34.7967" W (37.75633831, -8.67633242). RGN identification: 1:50,000 sheet 45A, order 4, type BOLEMBREANO. Altimetry: orthometric altitude at the top 331.62 m; at the base 329.82 m; ellipsoidal altitude at the top 385.42 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-hera

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