São Simão Geodetic Marker

Castro Daire (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.93290014, -8.00548275
  • RGN sheet: 14A
  • Marker type: BOLEMBREANO
  • Top altitude: 975.99 m
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São Simão 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° 55' 58.4405" N, 08° 00' 19.7379" W (40.93290014, -8.00548275). RGN identification: 1:50,000 sheet 14A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 975.99 m; at the base 973.99 m; ellipsoidal altitude at the top 1032.2 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-14a-sao-simao

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