Dunas da Gafanha Geodetic Marker

Ílhavo (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.60067303, -8.71979211
  • RGN sheet: 16A
  • Marker type: PILAR CILINDRICO S/ BASE CILINDRICA
  • Top altitude: 13.44 m
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Dunas da Gafanha 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° 36' 2.4229" N, 08° 43' 11.2516" W (40.60067303, -8.71979211). RGN identification: 1:50,000 sheet 16A, order 2, type PILAR CILINDRICO S/ BASE CILINDRICA. Altimetry: orthometric altitude at the top 13.44 m; at the base 10.24 m; ellipsoidal altitude at the top 67.78 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-16a-dunas-da-gafanha

Sobre Ílhavo

Ílhavo, nestled on the Aveiro Lagoon, offers a unique glimpse into Portugal’s maritime heritage. Explore the Museu de Aveiro, housed in a former fish salting factory, and discover the region’s rich history of salt production and shipbuilding. The picturesque canals and traditional Moliceiros boats create a charming atmosphere, perfect for a relaxing escape.

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