Silha Velha Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 38.52593900, -8.82557300
  • RGN sheet: 39A
  • Marker type: BOLEMBREANO
  • Top altitude: 31.15 m
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Weather

Mon
31° 22°
Rain 15%
Tue
25° 21°
Rain 0%
Wed
27° 21°
Rain 0%
Thu
27° 20°
Rain 5%
Fri
27° 19°
Rain 4%

Silha Velha 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: 38° 31' 33.3804" N, 08° 49' 32.0628" W (38.52593900, -8.82557300). RGN identification: 1:50,000 sheet 39A, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 31.15 m; at the base 28.15 m; ellipsoidal altitude at the top 84.58 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-39a-silha-velha

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