Guilheta Geodetic Marker

Viana do Castelo (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.61378594, -8.78516486
  • RGN sheet: 05C
  • Marker type: BOLEMBREANO
  • Top altitude: 128.15 m
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Guilheta 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° 36' 49.6294" N, 08° 47' 6.5935" W (41.61378594, -8.78516486). RGN identification: 1:50,000 sheet 05C, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 128.15 m; at the base 125.67 m; ellipsoidal altitude at the top 183.11 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-05c-guilheta

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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