Seixo Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.36630206, -6.91850392
  • RGN sheet: 21B
  • Marker type: BOLEMBREANO
  • Top altitude: 902.38 m
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Seixo 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° 21' 58.6874" N, 06° 55' 6.6141" W (40.36630206, -6.91850392). RGN identification: 1:50,000 sheet 21B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 902.38 m; at the base 899.87 m; ellipsoidal altitude at the top 958.46 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-21b-seixo

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