Santiago 1 Geodetic Marker

Castro Daire (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.86228061, -7.94695589
  • RGN sheet: 14C
  • Marker type: BOLEMBREANO
  • Top altitude: 704.84 m
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Santiago 1 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° 51' 44.2102" N, 07° 56' 49.0412" W (40.86228061, -7.94695589). RGN identification: 1:50,000 sheet 14C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 704.84 m; at the base 702.36 m; ellipsoidal altitude at the top 760.91 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-14c-santiago-1

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