Sobrosa Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.41450489, -8.32774708
  • RGN sheet: 16D
  • Marker type: BOLEMBREANO
  • Top altitude: 362.08 m
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Sobrosa 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° 24' 52.2176" N, 08° 19' 39.8895" W (40.41450489, -8.32774708). RGN identification: 1:50,000 sheet 16D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 362.08 m; at the base 359.59 m; ellipsoidal altitude at the top 417.35 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-16d-sobrosa

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