Monte Grande Geodetic Marker

Trofa (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 41.29345911, -8.62219289
  • RGN sheet: 09A
  • Marker type: PARA-RAIOS S/ CONSTRUÇÃO
  • Top altitude: 223.5 m
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Monte Grande 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° 17' 36.4528" N, 08° 37' 19.8944" W (41.29345911, -8.62219289). RGN identification: 1:50,000 sheet 09A, type PARA-RAIOS S/ CONSTRUÇÃO.

Altimetry: orthometric altitude at the top 223.5 m; at the base 193.9 m; ellipsoidal altitude at the top 278.55 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-09a-monte-grande

Sobre Trofa

Nestled in the stunning Minho region of Northern Portugal, Trofa offers a charming blend of history and natural beauty. Explore its well-preserved medieval castle, wander through picturesque villages, and discover breathtaking panoramic views across the valley. With a rich tradition of crafts and a welcoming atmosphere, Trofa provides a tranquil escape and a taste of authentic Portuguese life.

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