Pedras Negras Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.17182419, -9.19761978
  • RGN sheet: 30B
  • Marker type: BOLEMBREANO
  • Top altitude: 114.86 m
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Weather

Mon
33° 19°
Rain 3%
Tue
32° 20°
Rain 0%
Wed
28° 19°
Rain 0%
Thu
24° 19°
Rain 7%
Fri
25° 18°
Rain 8%

Pedras Negras 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° 10' 18.5671" N, 09° 11' 51.4312" W (39.17182419, -9.19761978). RGN identification: 1:50,000 sheet 30B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 114.86 m; at the base 112.32 m; ellipsoidal altitude at the top 168.79 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-30b-pedras-negras

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