Castelo Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.33652533, -7.72188881
  • RGN sheet: 20B
  • Marker type: BOLEMBREANO
  • Top altitude: 1080.84 m
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Castelo 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° 20' 11.4912" N, 07° 43' 18.7997" W (40.33652533, -7.72188881). RGN identification: 1:50,000 sheet 20B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 1080.84 m; at the base 1078.35 m; ellipsoidal altitude at the top 1137.14 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-20b-castelo

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