Lapa Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.81550464, -8.04567661
  • RGN sheet: 46A
  • Marker type: PILAR TRONCO-CÓNICO S/ CILINDRO
  • Top altitude: 202.89 m
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Lapa 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° 48' 55.8167" N, 08° 02' 44.4358" W (37.81550464, -8.04567661). RGN identification: 1:50,000 sheet 46A, type PILAR TRONCO-CÓNICO S/ CILINDRO.

Altimetry: orthometric altitude at the top 202.89 m; at the base 198.88 m; ellipsoidal altitude at the top 257.44 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-46a-lapa

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