Pedra Alva Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.29261678, -8.30751686
  • RGN sheet: 49D
  • Marker type: BOLEMBREANO
  • Top altitude: 190.47 m
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Pedra Alva 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° 17' 33.4204" N, 08° 18' 27.0607" W (37.29261678, -8.30751686). RGN identification: 1:50,000 sheet 49D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 190.47 m; at the base 188.13 m; ellipsoidal altitude at the top 244.52 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-49d-pedra-alva

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