Portela Geodetic Marker

Portela 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° 14' 49.5982" N, 08° 35' 33.6856" W (40.24711061, -8.59269044). RGN identification: 1:50,000 sheet 19A, type BOLEMBREANO S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 119.44 m; at the base 98.03 m; ellipsoidal altitude at the top 174.02 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-19a-portela