Montalvo Geodetic Marker

Constância (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.49886581, -8.29601406
  • RGN sheet: 27B
  • Marker type: BOLEMBREANO
  • Top altitude: 208.81 m
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Montalvo 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: 39° 29' 55.9169" N, 08° 17' 45.6506" W (39.49886581, -8.29601406). RGN identification: 1:50,000 sheet 27B, type BOLEMBREANO. Altimetry: orthometric altitude at the top 208.81 m; at the base 206.31 m; ellipsoidal altitude at the top 263.42 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-27b-montalvo

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