Portela Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.55886156, -7.68338417
  • RGN sheet: 17D
  • Marker type: BOLEMBREANO
  • Top altitude: 409.09 m
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Portela 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° 33' 31.9016" N, 07° 41' 0.183" W (40.55886156, -7.68338417). RGN identification: 1:50,000 sheet 17D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 409.09 m; at the base 406.58 m; ellipsoidal altitude at the top 464.57 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-17d-portela

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