Velha Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.69309106, -8.67632636
  • RGN sheet: 45A
  • Marker type: BOLEMBREANO
  • Top altitude: 280.77 m
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Velha 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° 41' 35.1278" N, 08° 40' 34.7749" W (37.69309106, -8.67632636). RGN identification: 1:50,000 sheet 45A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 280.77 m; at the base 278.95 m; ellipsoidal altitude at the top 334.43 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-45a-velha

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