Corisco Geodetic Marker

Viana do Castelo (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.79885242, -8.71056842
  • RGN sheet: 05A
  • Marker type: BOLEMBREANO
  • Top altitude: 782.48 m
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Corisco 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: 41° 47' 55.8687" N, 08° 42' 38.0463" W (41.79885242, -8.71056842). RGN identification: 1:50,000 sheet 05A, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 782.48 m; at the base 780.46 m; ellipsoidal altitude at the top 837.86 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-05a-corisco

Sobre Viana do Castelo

Capital of Alto Minho, with the iconic Basilica of Santa Luzia overlooking the Lima estuary. City of maritime traditions, crafts and pilgrimages.

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