Bretial 1 Geodetic Marker

Viana do Castelo (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.79998425, -8.68779936
  • RGN sheet: 05A
  • Marker type: BOLEMBREANO
  • Top altitude: 800.36 m
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Weather

In Viana do Castelo

Sat
28° 16°
Rain 0%
Sun
31° 19°
Rain 0%
Mon
32° 20°
Rain 0%
Tue
33° 19°
Rain 3%
Wed
22° 17°
Rain 15%

Bretial 1 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' 59.9433" N, 08° 41' 16.0777" W (41.79998425, -8.68779936). RGN identification: 1:50,000 sheet 05A, order 2, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 800.36 m; at the base 797.38 m; ellipsoidal altitude at the top 855.78 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-05a-bretial-1

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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