Marreco Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.23481503, -8.72805378
  • RGN sheet: 09C
  • Marker type: BOLEMBREANO
  • Top altitude: 7.66 m

Marreco 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° 14' 5.3341" N, 08° 43' 40.9936" W (41.23481503, -8.72805378). RGN identification: 1:50,000 sheet 09C, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 7.66 m; at the base 5.69 m; ellipsoidal altitude at the top 62.54 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-09c-marreco


Sobre Matosinhos

Coastal city famous for its beaches and fresh fish cuisine. Leixões Port and Siza Vieira's modern architecture are highlights.


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