Portela Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.37612683, -7.21782706
  • RGN sheet: 21A
  • Marker type: BOLEMBREANO
  • Top altitude: 820.86 m

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° 22' 34.0566" N, 07° 13' 4.1774" W (40.37612683, -7.21782706). RGN identification: 1:50,000 sheet 21A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 820.86 m; at the base 818.68 m; ellipsoidal altitude at the top 876.91 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-21a-portela

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