Marinha Grande Geodetic Marker

Marinha Grande 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° 44' 19.9541" N, 08° 55' 31.2113" W (39.73887614, -8.92533647). RGN identification: 1:50,000 sheet 22D, order 2, type BOLEMBREANO S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 129.97 m; at the base 108.29 m; ellipsoidal altitude at the top 183.59 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-22d-marinha-grande