Alpiarça Geodetic Marker

Alpiarça 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° 15' 7.1594" N, 08° 34' 28.5195" W (39.25198872, -8.57458875). RGN identification: 1:50,000 sheet 31A, type BOLEMBREANO S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 67.85 m; at the base 39.9 m; ellipsoidal altitude at the top 121.67 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-31a-alpiarca