Chão das Donas Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.15720017, -8.55888458
  • RGN sheet: 49C
  • Marker type: BOLEMBREANO S/ DEPÓSITO
  • Top altitude: 93.88 m
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Chão das Donas 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° 09' 25.9206" N, 08° 33' 31.9845" W (37.15720017, -8.55888458). RGN identification: 1:50,000 sheet 49C, type BOLEMBREANO S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 93.88 m; at the base 52.4 m; ellipsoidal altitude at the top 146.92 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-49c-chao-das-donas

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