Cheira Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.57682122, -7.94425786
  • RGN sheet: 17A
  • Marker type: BOLEMBREANO
  • Top altitude: 404.71 m
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Cheira 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° 34' 36.5564" N, 07° 56' 39.3283" W (40.57682122, -7.94425786). RGN identification: 1:50,000 sheet 17A, order 3, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 404.71 m; at the base 400.22 m; ellipsoidal altitude at the top 460.11 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-17a-cheira

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