Seixal Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.57745569, -7.22955525
  • RGN sheet: 18A
  • Marker type: BOLEMBREANO
  • Top altitude: 946.95 m
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Weather

Sat
32° 14°
Rain 8%
Sun
32° 18°
Rain 25%
Mon
35° 20°
Rain 9%
Tue
37° 22°
Rain 11%
Wed
27° 18°
Rain 20%

Seixal 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: 40° 34' 38.8405" N, 07° 13' 46.3989" W (40.57745569, -7.22955525). RGN identification: 1:50,000 sheet 18A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 946.95 m; at the base 944.49 m; ellipsoidal altitude at the top 1003.09 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-18a-seixal

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