Gralheira Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.24862447, -8.32422708
  • RGN sheet: 49D
  • Marker type: PILAR TRONCO-CÓNICO S/ CILINDRO
  • Top altitude: 284.58 m
Open in Google Maps →

Gralheira 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: 37° 14' 55.0481" N, 08° 19' 27.2175" W (37.24862447, -8.32422708). RGN identification: 1:50,000 sheet 49D, type PILAR TRONCO-CÓNICO S/ CILINDRO.

Altimetry: orthometric altitude at the top 284.58 m; at the base 281.08 m; ellipsoidal altitude at the top 338.26 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-49d-gralheira

User Reviews

Write a Review

Email will not be published
Maximum 3 photos, 5MB each (JPEG, PNG, WebP)

No reviews yet. Be the first to review!

Nearby Attractions

Zimbreira Geodetic Marker

1.8 km

Panasco Geodetic Marker

2.7 km

Venda Geodetic Marker

3.5 km

Santa Ana Geodetic Marker

4.0 km

Pedra Alva Geodetic Marker

5.1 km

Balsinha Geodetic Marker

5.5 km