Sete Castelos Geodetic Marker

Alvite (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.98940703, -7.70449739
  • RGN sheet: 14B
  • Marker type: BOLEMBREANO
  • Top altitude: 978.86 m
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Sete Castelos 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: 40° 59' 21.8653" N, 07° 42' 16.1906" W (40.98940703, -7.70449739). RGN identification: 1:50,000 sheet 14B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 978.86 m; at the base 976.36 m; ellipsoidal altitude at the top 1035.19 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-14b-sete-castelos

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