São Sebastião Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.67617664, -7.75606744
  • RGN sheet: 17A
  • Marker type: BOLEMBREANO
  • Top altitude: 524.34 m

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Weather

In Penalva do Castelo

Tue
24° 14°
Rain 98%
Wed
21° 12°
Rain 88%
Thu
23° 9°
Rain 0%
Fri
26° 14°
Rain 9%
Sat
23° 16°
Rain 58%

São Sebastião 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° 40' 34.2359" N, 07° 45' 21.8428" W (40.67617664, -7.75606744). RGN identification: 1:50,000 sheet 17A, type BOLEMBREANO. Altimetry: orthometric altitude at the top 524.34 m; at the base 521.33 m; ellipsoidal altitude at the top 579.94 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-17a-sao-sebastiao

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