Dunas da Gafanha Geodetic Marker

Dunas da Gafanha 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: 40° 36' 2.4229" N, 08° 43' 11.2516" W (40.60067303, -8.71979211). RGN identification: 1:50,000 sheet 16A, order 2, type PILAR CILINDRICO S/ BASE CILINDRICA.

Altimetry: orthometric altitude at the top 13.44 m; at the base 10.24 m; ellipsoidal altitude at the top 67.78 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-16a-dunas-da-gafanha