Alto da Vela Geodetic Marker

Alto da Vela 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: 39° 07' 28.3492" N, 09° 23' 22.8472" W (39.12454144, -9.38967978). RGN identification: 1:50,000 sheet 30A, order 4, type TRIPLO CILINDRO.

Altimetry: orthometric altitude at the top 78.51 m; at the base 76.12 m; ellipsoidal altitude at the top 132.49 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-30a-alto-da-vela