Alto do Vale Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.18353053, -8.72741619
  • RGN sheet: 31A
  • Marker type: BOLEMBREANO
  • Top altitude: 77.7 m
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Weather

Mon
37° 20°
Rain 18%
Tue
34° 21°
Rain 0%
Wed
31° 20°
Rain 0%
Thu
26° 18°
Rain 3%
Fri
26° 16°
Rain 3%

Alto do Vale 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° 11' 0.7099" N, 08° 43' 38.6983" W (39.18353053, -8.72741619). RGN identification: 1:50,000 sheet 31A, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 77.7 m; at the base 74.7 m; ellipsoidal altitude at the top 131.48 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-31a-alto-do-vale

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