João Velho Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.53263906, -8.64439122
  • RGN sheet: 45C
  • Marker type: BOLEMBREANO
  • Top altitude: 138.9 m

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Weather

In São Teotónio

Wed
22° 20°
Rain 48%
Thu
22° 17°
Rain 0%
Fri
25° 18°
Rain 1%
Sat
26° 21°
Rain 6%
Sun
25° 20°
Rain 15%

João Velho 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: 37° 31' 57.5006" N, 08° 38' 39.8084" W (37.53263906, -8.64439122). RGN identification: 1:50,000 sheet 45C, type BOLEMBREANO. Altimetry: orthometric altitude at the top 138.9 m; at the base 137.1 m; ellipsoidal altitude at the top 192.89 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-45c-joao-velho

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